220312322032 has 30 divisors (see below), whose sum is σ = 469187867624. Its totient is φ = 100141963680.

The previous prime is 220312322017. The next prime is 220312322047. The reversal of 220312322032 is 230223213022.

It is an interprime number because it is at equal distance from previous prime (220312322017) and next prime (220312322047).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 220312321994 and 220312322012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56896908 + ... + 56900779.

Almost surely, 2^220312322032 is an apocalyptic number.

220312322032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

220312322032 is an abundant number, since it is smaller than the sum of its proper divisors (248875545592).

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

220312322032 is a wasteful number, since it uses less digits than its factorization.

220312322032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113797717 (or 113797700 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 220312322032 its reverse (230223213022), we get a palindrome (450535535054).

The spelling of 220312322032 in words is "two hundred twenty billion, three hundred twelve million, three hundred twenty-two thousand, thirty-two".