227005972920 has 96 divisors (see below), whose sum is σ = 761568462720. Its totient is φ = 58582183680.

The previous prime is 227005972913. The next prime is 227005972931. The reversal of 227005972920 is 29279500722.

It is a happy number.

227005972920 is a `hidden beast` number, since 2 + 270 + 0 + 5 + 97 + 292 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 10159359 + ... + 10181678.

It is an arithmetic number, because the mean of its divisors is an integer number (7933004820).

Almost surely, 2^227005972920 is an apocalyptic number.

227005972920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

227005972920 is an abundant number, since it is smaller than the sum of its proper divisors (534562489800).

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

227005972920 is a wasteful number, since it uses less digits than its factorization.

227005972920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20341085 (or 20341078 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The spelling of 227005972920 in words is "two hundred twenty-seven billion, five million, nine hundred seventy-two thousand, nine hundred twenty".