20331030031132 has 6 divisors (see below), whose sum is σ = 35579302554488. Its totient is φ = 10165515015564.

The previous prime is 20331030031093. The next prime is 20331030031163. The reversal of 20331030031132 is 23113003013302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2541378753888 + ... + 2541378753895.

Almost surely, 2^{20331030031132} is an apocalyptic number.

It is an amenable number.

20331030031132 is a deficient number, since it is larger than the sum of its proper divisors (15248272523356).

20331030031132 is a wasteful number, since it uses less digits than its factorization.

20331030031132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5082757507787 (or 5082757507785 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 20331030031132 its reverse (23113003013302), we get a palindrome (43444033044434).

The spelling of 20331030031132 in words is "twenty trillion, three hundred thirty-one billion, thirty million, thirty-one thousand, one hundred thirty-two".