20004032000 has 80 divisors (see below), whose sum is σ = 49881463632. Its totient is φ = 8001587200.

The previous prime is 20004031997. The next prime is 20004032017. The reversal of 20004032000 is 23040002.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×20004032000² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92282 + ... + 220281.

Almost surely, 2^20004032000 is an apocalyptic number.

20004032000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20004032000 is an abundant number, since it is smaller than the sum of its proper divisors (29877431632).

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

20004032000 is an frugal number, since it uses more digits than its factorization.

20004032000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312596 (or 312570 counting only the distinct ones).

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

Adding to 20004032000 its reverse (23040002), we get a palindrome (20027072002).

The spelling of 20004032000 in words is "twenty billion, four million, thirty-two thousand".