20129892102 has 24 divisors (see below), whose sum is σ = 43617383784. Its totient is φ = 6709561344.

The previous prime is 20129892073. The next prime is 20129892113.

20129892102 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 535558 + ... + 571910.

It is an arithmetic number, because the mean of its divisors is an integer number (1817390991).

Almost surely, 2^20129892102 is an apocalyptic number.

20129892102 is an abundant number, since it is smaller than the sum of its proper divisors (23487491682).

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

20129892102 is a wasteful number, since it uses less digits than its factorization.

20129892102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67124 (or 67121 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The spelling of 20129892102 in words is "twenty billion, one hundred twenty-nine million, eight hundred ninety-two thousand, one hundred two".