27294651220 has 48 divisors (see below), whose sum is σ = 60426713088. Its totient is φ = 10340858880.

The previous prime is 27294651161. The next prime is 27294651221. The reversal of 27294651220 is 2215649272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27294651221) 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, 439197 + ... + 497476.

It is an arithmetic number, because the mean of its divisors is an integer number (1258889856).

Almost surely, 2^27294651220 is an apocalyptic number.

27294651220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27294651220 is an abundant number, since it is smaller than the sum of its proper divisors (33132061868).

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

27294651220 is a wasteful number, since it uses less digits than its factorization.

27294651220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936760 (or 936758 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 27294651220 in words is "twenty-seven billion, two hundred ninety-four million, six hundred fifty-one thousand, two hundred twenty".