331232020001022 has 48 divisors (see below), whose sum is σ = 770795667798912. Its totient is φ = 94616322902640.

The previous prime is 331232020000949. The next prime is 331232020001059. The reversal of 331232020001022 is 220100020232133.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 331232020001022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126061104 + ... + 128661827.

It is an arithmetic number, because the mean of its divisors is an integer number (16058243079144).

Almost surely, 2^{331232020001022} is an apocalyptic number.

331232020001022 is an abundant number, since it is smaller than the sum of its proper divisors (439563647797890).

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

331232020001022 is a wasteful number, since it uses less digits than its factorization.

331232020001022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254727373 (or 254727366 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 331232020001022 its reverse (220100020232133), we get a palindrome (551332040233155).

The spelling of 331232020001022 in words is "three hundred thirty-one trillion, two hundred thirty-two billion, twenty million, one thousand, twenty-two".