20002315132 has 24 divisors (see below), whose sum is σ = 38034967040. Its totient is φ = 9169141680.

The previous prime is 20002315121. The next prime is 20002315153. The reversal of 20002315132 is 23151320002.

It is a super-2 number, since 2×20002315132² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

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, 4242618 + ... + 4247329.

Almost surely, 2^20002315132 is an apocalyptic number.

It is an amenable number.

20002315132 is a deficient number, since it is larger than the sum of its proper divisors (18032651908).

20002315132 is a wasteful number, since it uses less digits than its factorization.

20002315132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8490001 (or 8489999 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

Adding to 20002315132 its reverse (23151320002), we get a palindrome (43153635134).

It can be divided in two parts, 2000 and 2315132, that added together give a palindrome (2317132).

The spelling of 20002315132 in words is "twenty billion, two million, three hundred fifteen thousand, one hundred thirty-two".