20002453000 has 32 divisors (see below), whose sum is σ = 46805742360. Its totient is φ = 8000980800.

The previous prime is 20002452997. The next prime is 20002453021. The reversal of 20002453000 is 35420002.

It can be written as a sum of positive squares in 4 ways, for example, as 7188665796 + 12813787204 = 84786^2 + 113198^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10000227 + ... + 10002226.

Almost surely, 2^20002453000 is an apocalyptic number.

20002453000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20002453000 is an abundant number, since it is smaller than the sum of its proper divisors (26803289360).

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

20002453000 is a wasteful number, since it uses less digits than its factorization.

20002453000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20002474 (or 20002460 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

Adding to 20002453000 its reverse (35420002), we get a palindrome (20037873002).

The spelling of 20002453000 in words is "twenty billion, two million, four hundred fifty-three thousand".