32011023220 has 24 divisors (see below), whose sum is σ = 73334344608. Its totient is φ = 11640372000.

The previous prime is 32011023179. The next prime is 32011023221. The reversal of 32011023220 is 2232011023.

It is a junction number, because it is equal to n+sod(n) for n = 32011023194 and 32011023203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32011023221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72752106 + ... + 72752545.

It is an arithmetic number, because the mean of its divisors is an integer number (3055597692).

Almost surely, 2^32011023220 is an apocalyptic number.

It is an amenable number.

32011023220 is an abundant number, since it is smaller than the sum of its proper divisors (41323321388).

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

32011023220 is a wasteful number, since it uses less digits than its factorization.

32011023220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145504671 (or 145504669 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 32011023220 its reverse (2232011023), we get a palindrome (34243034243).

The spelling of 32011023220 in words is "thirty-two billion, eleven million, twenty-three thousand, two hundred twenty".