220292812 has 12 divisors (see below), whose sum is σ = 385776216. Its totient is φ = 110071040.

The previous prime is 220292767. The next prime is 220292819. The reversal of 220292812 is 218292022.

It is not an unprimeable number, because it can be changed into a prime (220292819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11989 + ... + 24172.

It is an arithmetic number, because the mean of its divisors is an integer number (32148018).

Almost surely, 2^220292812 is an apocalyptic number.

It is an amenable number.

220292812 is a deficient number, since it is larger than the sum of its proper divisors (165483404).

220292812 is a wasteful number, since it uses less digits than its factorization.

220292812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37688 (or 37686 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 220292812 is about 14842.2643824991. The cubic root of 220292812 is about 603.9487807977.

The spelling of 220292812 in words is "two hundred twenty million, two hundred ninety-two thousand, eight hundred twelve".