220445531032 has 16 divisors (see below), whose sum is σ = 415477007640. Its totient is φ = 109651662336.

The previous prime is 220445531023. The next prime is 220445531039. The reversal of 220445531032 is 230135544022.

It is a junction number, because it is equal to n+sod(n) for n = 220445530985 and 220445531003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220445531039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71386258 + ... + 71389345.

Almost surely, 2^220445531032 is an apocalyptic number.

It is an amenable number.

220445531032 is a deficient number, since it is larger than the sum of its proper divisors (195031476608).

220445531032 is a wasteful number, since it uses less digits than its factorization.

220445531032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142775802 (or 142775798 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The spelling of 220445531032 in words is "two hundred twenty billion, four hundred forty-five million, five hundred thirty-one thousand, thirty-two".