20373643267734 has 32 divisors (see below), whose sum is σ = 42829264719360. Its totient is φ = 6448528572992.

The previous prime is 20373643267709. The next prime is 20373643267897. The reversal of 20373643267734 is 43776234637302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 538795314 + ... + 538833125.

It is an arithmetic number, because the mean of its divisors is an integer number (1338414522480).

Almost surely, 2^{20373643267734} is an apocalyptic number.

20373643267734 is an abundant number, since it is smaller than the sum of its proper divisors (22455621451626).

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

20373643267734 is a wasteful number, since it uses less digits than its factorization.

20373643267734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077628604.

The product of its (nonzero) digits is 64012032, while the sum is 57.

The spelling of 20373643267734 in words is "twenty trillion, three hundred seventy-three billion, six hundred forty-three million, two hundred sixty-seven thousand, seven hundred thirty-four".