32123002220 has 24 divisors (see below), whose sum is σ = 67568376624. Its totient is φ = 12828234816.

The previous prime is 32123002189. The next prime is 32123002267. The reversal of 32123002220 is 2220032123.

It is a super-2 number, since 2×32123002220² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1297814 + ... + 1322333.

It is an arithmetic number, because the mean of its divisors is an integer number (2815349026).

Almost surely, 2^32123002220 is an apocalyptic number.

It is an amenable number.

32123002220 is an abundant number, since it is smaller than the sum of its proper divisors (35445374404).

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

32123002220 is a wasteful number, since it uses less digits than its factorization.

32123002220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2620769 (or 2620767 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 32123002220 its reverse (2220032123), we get a palindrome (34343034343).

The spelling of 32123002220 in words is "thirty-two billion, one hundred twenty-three million, two thousand, two hundred twenty".