20233531132 has 12 divisors (see below), whose sum is σ = 35414215200. Its totient is φ = 10115183936.

The previous prime is 20233531093. The next prime is 20233531147. The reversal of 20233531132 is 23113533202.

It is a super-2 number, since 2×20233531132² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20233531097 and 20233531106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366388 + ... + 417979.

It is an arithmetic number, because the mean of its divisors is an integer number (2951184600).

Almost surely, 2^20233531132 is an apocalyptic number.

It is an amenable number.

20233531132 is a deficient number, since it is larger than the sum of its proper divisors (15180684068).

20233531132 is a wasteful number, since it uses less digits than its factorization.

20233531132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790820 (or 790818 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 25.

The spelling of 20233531132 in words is "twenty billion, two hundred thirty-three million, five hundred thirty-one thousand, one hundred thirty-two".