27652525020 has 72 divisors (see below), whose sum is σ = 84348023760. Its totient is φ = 7332802560.

The previous prime is 27652525013. The next prime is 27652525067. The reversal of 27652525020 is 2052525672.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 396901 + ... + 461340.

It is an arithmetic number, because the mean of its divisors is an integer number (1171500330).

Almost surely, 2^27652525020 is an apocalyptic number.

27652525020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27652525020 is an abundant number, since it is smaller than the sum of its proper divisors (56695498740).

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

27652525020 is a wasteful number, since it uses less digits than its factorization.

27652525020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858435 (or 858430 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The spelling of 27652525020 in words is "twenty-seven billion, six hundred fifty-two million, five hundred twenty-five thousand, twenty".