20373043455 has 96 divisors (see below), whose sum is σ = 38857728000. Its totient is φ = 10211225472.

The previous prime is 20373043433. The next prime is 20373043469. The reversal of 20373043455 is 55434037302.

20373043455 is a `hidden beast` number, since 2 + 0 + 3 + 7 + 304 + 345 + 5 = 666.

It is not a de Polignac number, because 20373043455 - 2¹⁴ = 20373027071 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2928321 + ... + 2935269.

It is an arithmetic number, because the mean of its divisors is an integer number (404768000).

Almost surely, 2^20373043455 is an apocalyptic number.

20373043455 is a deficient number, since it is larger than the sum of its proper divisors (18484684545).

20373043455 is a wasteful number, since it uses less digits than its factorization.

20373043455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7115 (or 7103 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 36.

The spelling of 20373043455 in words is "twenty billion, three hundred seventy-three million, forty-three thousand, four hundred fifty-five".