20547464200 has 48 divisors (see below), whose sum is σ = 47801382480. Its totient is φ = 8214077760.

The previous prime is 20547464143. The next prime is 20547464219. The reversal of 20547464200 is 246474502.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 314787 + ... + 374413.

It is an arithmetic number, because the mean of its divisors is an integer number (995862135).

Almost surely, 2^20547464200 is an apocalyptic number.

20547464200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20547464200 is an abundant number, since it is smaller than the sum of its proper divisors (27253918280).

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

20547464200 is a wasteful number, since it uses less digits than its factorization.

20547464200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61366 (or 61357 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 34.

The spelling of 20547464200 in words is "twenty billion, five hundred forty-seven million, four hundred sixty-four thousand, two hundred".