20042637753 has 16 divisors (see below), whose sum is σ = 27120052800. Its totient is φ = 13164560640.

The previous prime is 20042637737. The next prime is 20042637773. The reversal of 20042637753 is 35773624002.

It is not a de Polignac number, because 20042637753 - 2⁴ = 20042637737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20042637773) 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, 58543 + ... + 208596.

It is an arithmetic number, because the mean of its divisors is an integer number (1695003300).

Almost surely, 2^20042637753 is an apocalyptic number.

It is an amenable number.

20042637753 is a deficient number, since it is larger than the sum of its proper divisors (7077415047).

20042637753 is a wasteful number, since it uses less digits than its factorization.

20042637753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267512.

The product of its (nonzero) digits is 211680, while the sum is 39.

The spelling of 20042637753 in words is "twenty billion, forty-two million, six hundred thirty-seven thousand, seven hundred fifty-three".