20020020032 has 14 divisors (see below), whose sum is σ = 39727227378. Its totient is φ = 10010009984.

The previous prime is 20020020017. The next prime is 20020020043. The reversal of 20020020032 is 23002002002.

It can be written as a sum of positive squares in only one way, i.e., 13591829056 + 6428190976 = 116584^2 + 80176^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20020019995 and 20020020022.

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, 156406343 + ... + 156406470.

Almost surely, 2^20020020032 is an apocalyptic number.

It is an amenable number.

20020020032 is a deficient number, since it is larger than the sum of its proper divisors (19707207346).

20020020032 is an equidigital number, since it uses as much as digits as its factorization.

20020020032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312812825 (or 312812815 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

Adding to 20020020032 its reverse (23002002002), we get a palindrome (43022022034).

The spelling of 20020020032 in words is "twenty billion, twenty million, twenty thousand, thirty-two".