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20122230120 = 2335433899657
BaseRepresentation
bin10010101111011000…
…001101110101101000
31220221100112012110020
4102233120031311220
5312202242330440
613124413120440
71311435063636
oct225730156550
956840465406
1020122230120
118596524353
123a96a89120
131b88b02955
14d8c622356
157cb8623d0
hex4af60dd68

20122230120 has 64 divisors (see below), whose sum is σ = 61770582720. Its totient is φ = 5241137664.

The previous prime is 20122230043. The next prime is 20122230151. The reversal of 20122230120 is 2103222102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20122230120.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1944669 + ... + 1954988.

It is an arithmetic number, because the mean of its divisors is an integer number (965165355).

Almost surely, 220122230120 is an apocalyptic number.

20122230120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122230120 is an abundant number, since it is smaller than the sum of its proper divisors (41648352600).

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

20122230120 is a wasteful number, since it uses less digits than its factorization.

20122230120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3899714 (or 3899710 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20122230120 its reverse (2103222102), we get a palindrome (22225452222).

The spelling of 20122230120 in words is "twenty billion, one hundred twenty-two million, two hundred thirty thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 43 60 86 120 129 172 215 258 344 430 516 645 860 1032 1290 1720 2580 5160 3899657 7799314 11698971 15598628 19498285 23397942 31197256 38996570 46795884 58494855 77993140 93591768 116989710 155986280 167685251 233979420 335370502 467958840 503055753 670741004 838426255 1006111506 1341482008 1676852510 2012223012 2515278765 3353705020 4024446024 5030557530 6707410040 10061115060 20122230120