20331122200032 has 96 divisors (see below), whose sum is σ = 63645252152832. Its totient is φ = 5556331528704.

The previous prime is 20331122200031. The next prime is 20331122200033. The reversal of 20331122200032 is 23000222113302.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20331122200031) and next prime (20331122200033).

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a junction number, because it is equal to n+sod(n) for n = 20331122199981 and 20331122200008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20331122200031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 657694243 + ... + 657725154.

It is an arithmetic number, because the mean of its divisors is an integer number (662971376592).

Almost surely, 2^{20331122200032} is an apocalyptic number.

It is an amenable number.

20331122200032 is an abundant number, since it is smaller than the sum of its proper divisors (43314129952800).

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

20331122200032 is a wasteful number, since it uses less digits than its factorization.

20331122200032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315419440 (or 1315419432 counting only the distinct ones).

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

Adding to 20331122200032 its reverse (23000222113302), we get a palindrome (43331344313334).

The spelling of 20331122200032 in words is "twenty trillion, three hundred thirty-one billion, one hundred twenty-two million, two hundred thousand, thirty-two".