27304546920 has 64 divisors (see below), whose sum is σ = 93615592320. Its totient is φ = 6241039104.

The previous prime is 27304546891. The next prime is 27304546921. The reversal of 27304546920 is 2964540372.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (27304546921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16251867 + ... + 16253546.

It is an arithmetic number, because the mean of its divisors is an integer number (1462743630).

Almost surely, 2^27304546920 is an apocalyptic number.

27304546920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27304546920 is an abundant number, since it is smaller than the sum of its proper divisors (66311045400).

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

27304546920 is a wasteful number, since it uses less digits than its factorization.

27304546920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32505434 (or 32505430 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 27304546920 in words is "twenty-seven billion, three hundred four million, five hundred forty-six thousand, nine hundred twenty".