20445010254 has 40 divisors (see below), whose sum is σ = 48506795568. Its totient is φ = 6414120000.

The previous prime is 20445010253. The next prime is 20445010273. The reversal of 20445010254 is 45201054402.

20445010254 is a `hidden beast` number, since 204 + 450 + 1 + 0 + 2 + 5 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20445010253) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3709122 + ... + 3714629.

Almost surely, 2^20445010254 is an apocalyptic number.

20445010254 is an abundant number, since it is smaller than the sum of its proper divisors (28061785314).

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

20445010254 is a wasteful number, since it uses less digits than its factorization.

20445010254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7423782 (or 7423773 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 20445010254 its reverse (45201054402), we get a palindrome (65646064656).

The spelling of 20445010254 in words is "twenty billion, four hundred forty-five million, ten thousand, two hundred fifty-four".