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20202100333131 = 323436808931693
BaseRepresentation
bin1001001011111101010110…
…00000111001101001001011
32122112022011002220011120010
410211332223000321221023
510121442400141130011
6110544414453403003
74153360610351043
oct445765300715113
978468132804503
1020202100333131
116489731a74642
122323376639463
13b370857a9582
144dbb03274723
152507828db1a6
hex125fab039a4b

20202100333131 has 16 divisors (see below), whose sum is σ = 28760927475456. Its totient is φ = 12582905766816.

The previous prime is 20202100333127. The next prime is 20202100333139. The reversal of 20202100333131 is 13133300120202.

It is not a de Polignac number, because 20202100333131 - 22 = 20202100333127 is a prime.

It is a super-2 number, since 2×202021003331312 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20202100333098 and 20202100333107.

It is not an unprimeable number, because it can be changed into a prime (20202100333139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3404462880 + ... + 3404468813.

It is an arithmetic number, because the mean of its divisors is an integer number (1797557967216).

Almost surely, 220202100333131 is an apocalyptic number.

20202100333131 is a deficient number, since it is larger than the sum of its proper divisors (8558827142325).

20202100333131 is a wasteful number, since it uses less digits than its factorization.

20202100333131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6808931762.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 20202100333131 its reverse (13133300120202), we get a palindrome (33335400453333).

The spelling of 20202100333131 in words is "twenty trillion, two hundred two billion, one hundred million, three hundred thirty-three thousand, one hundred thirty-one".

Divisors: 1 3 23 43 69 129 989 2967 6808931693 20426795079 156605428939 292784062799 469816286817 878352188397 6734033444377 20202100333131