20131002032 has 20 divisors (see below), whose sum is σ = 40057974816. Its totient is φ = 9793460160.

The previous prime is 20131001993. The next prime is 20131002049. The reversal of 20131002032 is 23020013102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20131001998 and 20131002016.

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, 17001944 + ... + 17003127.

Almost surely, 2^20131002032 is an apocalyptic number.

It is an amenable number.

20131002032 is a deficient number, since it is larger than the sum of its proper divisors (19926972784).

20131002032 is a wasteful number, since it uses less digits than its factorization.

20131002032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34005116 (or 34005110 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20131002032 its reverse (23020013102), we get a palindrome (43151015134).

The spelling of 20131002032 in words is "twenty billion, one hundred thirty-one million, two thousand, thirty-two".