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20020212202002 = 23109273371119799
BaseRepresentation
bin1001000110101010100011…
…01000101111101000010010
32121212220200000021202022220
410203111101220233220102
510111002343310431002
6110325054123441510
74134261343633335
oct443252150575022
977786600252286
1020020212202002
116419584953611
1222b4074686296
13b22b8992888c
144d2daa7c061c
1524ab8956b7bc
hex123551a2fa12

20020212202002 has 32 divisors (see below), whose sum is σ = 40409281968000. Its totient is φ = 6611932395648.

The previous prime is 20020212201973. The next prime is 20020212202061. The reversal of 20020212202002 is 20020221202002.

It is a super-2 number, since 2×200202122020022 (a number of 27 digits) contains 22 as substring.

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, 17318499 + ... + 18438297.

It is an arithmetic number, because the mean of its divisors is an integer number (1262790061500).

Almost surely, 220020212202002 is an apocalyptic number.

20020212202002 is an abundant number, since it is smaller than the sum of its proper divisors (20389069765998).

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

20020212202002 is a wasteful number, since it uses less digits than its factorization.

20020212202002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147250.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 20020212202002 its reverse (20020221202002), we get a palindrome (40040433404004).

Subtracting 20020212202002 from its reverse (20020221202002), we obtain a square (9000000 = 30002).

The spelling of 20020212202002 in words is "twenty trillion, twenty billion, two hundred twelve million, two hundred two thousand, two".

Divisors: 1 2 3 6 109 218 327 654 27337 54674 82011 164022 1119799 2239598 2979733 3359397 5959466 6718794 8939199 17878398 122058091 244116182 366174273 732348546 30611945263 61223890526 91835835789 183671671578 3336702033667 6673404067334 10010106101001 20020212202002