20462264400 has 60 divisors (see below), whose sum is σ = 65547457472. Its totient is φ = 5456603520.

The previous prime is 20462264393. The next prime is 20462264413. The reversal of 20462264400 is 446226402.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8524744 + ... + 8527143.

Almost surely, 2^20462264400 is an apocalyptic number.

20462264400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20462264400 is an abundant number, since it is smaller than the sum of its proper divisors (45085193072).

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

20462264400 is a wasteful number, since it uses less digits than its factorization.

20462264400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17051908 (or 17051897 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The spelling of 20462264400 in words is "twenty billion, four hundred sixty-two million, two hundred sixty-four thousand, four hundred".