20020132532 has 6 divisors (see below), whose sum is σ = 35035231938. Its totient is φ = 10010066264.

The previous prime is 20020132529. The next prime is 20020132567. The reversal of 20020132532 is 23523102002.

It can be written as a sum of positive squares in only one way, i.e., 19981518736 + 38613796 = 141356^2 + 6214^2 .

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, 2502516563 + ... + 2502516570.

It is an arithmetic number, because the mean of its divisors is an integer number (5839205323).

Almost surely, 2^20020132532 is an apocalyptic number.

It is an amenable number.

20020132532 is a deficient number, since it is larger than the sum of its proper divisors (15015099406).

20020132532 is a wasteful number, since it uses less digits than its factorization.

20020132532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5005033137 (or 5005033135 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 20020132532 its reverse (23523102002), we get a palindrome (43543234534).

The spelling of 20020132532 in words is "twenty billion, twenty million, one hundred thirty-two thousand, five hundred thirty-two".