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22122210202120 = 2357121196519341
BaseRepresentation
bin1010000011110101110100…
…11110110001001000001000
32220022212021212100212110001
411001322322132301020020
510344422241302431440
6115014445243532344
74442163664062220
oct501727236611010
986285255325401
1022122210202120
117059a81a30566
12259352352a0b4
13c461668c6672
14566a137c9080
152856b1d9db9a
hex141eba7b1208

22122210202120 has 64 divisors (see below), whose sum is σ = 56890386028800. Its totient is φ = 7584130763520.

The previous prime is 22122210202061. The next prime is 22122210202121. The reversal of 22122210202120 is 2120201222122.

It is a super-2 number, since 2×221222102021202 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22122210202121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133650 + ... + 6652990.

It is an arithmetic number, because the mean of its divisors is an integer number (888912281700).

Almost surely, 222122210202120 is an apocalyptic number.

22122210202120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22122210202120 is an abundant number, since it is smaller than the sum of its proper divisors (34768175826680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22122210202120 is a wasteful number, since it uses less digits than its factorization.

22122210202120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6531478 (or 6531474 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22122210202120 its reverse (2120201222122), we get a palindrome (24242411424242).

The spelling of 22122210202120 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred ten million, two hundred two thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 12119 24238 48476 60595 84833 96952 121190 169666 242380 339332 424165 484760 678664 848330 1696660 3393320 6519341 13038682 26077364 32596705 45635387 52154728 65193410 91270774 130386820 182541548 228176935 260773640 365083096 456353870 912707740 1825415480 79007893579 158015787158 316031574316 395039467895 553055255053 632063148632 790078935790 1106110510106 1580157871580 2212221020212 2765276275265 3160315743160 4424442040424 5530552550530 11061105101060 22122210202120