228020636976 has 80 divisors (see below), whose sum is σ = 648842638080. Its totient is φ = 68426300160.

The previous prime is 228020636947. The next prime is 228020637001. The reversal of 228020636976 is 679636020822.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2042011 + ... + 2150778.

It is an arithmetic number, because the mean of its divisors is an integer number (8110532976).

Almost surely, 2^228020636976 is an apocalyptic number.

It is an amenable number.

228020636976 is an abundant number, since it is smaller than the sum of its proper divisors (420822001104).

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

228020636976 is a wasteful number, since it uses less digits than its factorization.

228020636976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4192914 (or 4192908 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 51.

The spelling of 228020636976 in words is "two hundred twenty-eight billion, twenty million, six hundred thirty-six thousand, nine hundred seventy-six".