20126333724732 has 72 divisors (see below), whose sum is σ = 51277196714016. Its totient is φ = 6655786827264.

The previous prime is 20126333724691. The next prime is 20126333724733. The reversal of 20126333724732 is 23742733362102.

It is a happy number.

20126333724732 is a `hidden beast` number, since 2 + 0 + 1 + 2 + 633 + 3 + 7 + 2 + 4 + 7 + 3 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20126333724733) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6940953 + ... + 9403695.

Almost surely, 2^{20126333724732} is an apocalyptic number.

It is an amenable number.

20126333724732 is an abundant number, since it is smaller than the sum of its proper divisors (31150862989284).

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

20126333724732 is a wasteful number, since it uses less digits than its factorization.

20126333724732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2464547 (or 2464542 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 45.

The spelling of 20126333724732 in words is "twenty trillion, one hundred twenty-six billion, three hundred thirty-three million, seven hundred twenty-four thousand, seven hundred thirty-two".