15677808220 has 24 divisors (see below), whose sum is σ = 32950368864. Its totient is φ = 6265985856.

The previous prime is 15677808199. The next prime is 15677808229. The reversal of 15677808220 is 2280877651.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15677808229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296019 + ... + 344938.

It is an arithmetic number, because the mean of its divisors is an integer number (1372932036).

Almost surely, 2^15677808220 is an apocalyptic number.

15677808220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15677808220 is an abundant number, since it is smaller than the sum of its proper divisors (17272560644).

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

15677808220 is a wasteful number, since it uses less digits than its factorization.

15677808220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642189 (or 642187 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 46.

The spelling of 15677808220 in words is "fifteen billion, six hundred seventy-seven million, eight hundred eight thousand, two hundred twenty".