20126662102 has 32 divisors (see below), whose sum is σ = 30767441760. Its totient is φ = 9873077760.

The previous prime is 20126662079. The next prime is 20126662109.

20126662102 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20126662109) 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, 18147924 + ... + 18149032.

It is an arithmetic number, because the mean of its divisors is an integer number (961482555).

Almost surely, 2^20126662102 is an apocalyptic number.

20126662102 is a deficient number, since it is larger than the sum of its proper divisors (10640779658).

20126662102 is a wasteful number, since it uses less digits than its factorization.

20126662102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 20126662102 in words is "twenty billion, one hundred twenty-six million, six hundred sixty-two thousand, one hundred two".