20126662604 has 12 divisors (see below), whose sum is σ = 35222668824. Its totient is φ = 10063042944.

The previous prime is 20126662597. The next prime is 20126662609. The reversal of 20126662604 is 40626662102.

It is not an unprimeable number, because it can be changed into a prime (20126662609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194459 + ... + 279405.

It is an arithmetic number, because the mean of its divisors is an integer number (2935222402).

Almost surely, 2^20126662604 is an apocalyptic number.

It is an amenable number.

20126662604 is a deficient number, since it is larger than the sum of its proper divisors (15096006220).

20126662604 is a wasteful number, since it uses less digits than its factorization.

20126662604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144184 (or 144182 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 20126662604 in words is "twenty billion, one hundred twenty-six million, six hundred sixty-two thousand, six hundred four".