20045425455 has 64 divisors (see below), whose sum is σ = 39780195840. Its totient is φ = 9492940800.

The previous prime is 20045425417. The next prime is 20045425457. The reversal of 20045425455 is 55452454002.

It is not a de Polignac number, because 20045425455 - 2⁸ = 20045425199 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20045425457) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 93106 + ... + 220815.

It is an arithmetic number, because the mean of its divisors is an integer number (621565560).

Almost surely, 2^20045425455 is an apocalyptic number.

20045425455 is a deficient number, since it is larger than the sum of its proper divisors (19734770385).

20045425455 is a wasteful number, since it uses less digits than its factorization.

20045425455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313989 (or 313983 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 36.

Adding to 20045425455 its reverse (55452454002), we get a palindrome (75497879457).

The spelling of 20045425455 in words is "twenty billion, forty-five million, four hundred twenty-five thousand, four hundred fifty-five".