20131230033032 has 64 divisors (see below), whose sum is σ = 39149569105920. Its totient is φ = 9698204374848.

The previous prime is 20131230033017. The next prime is 20131230033071. The reversal of 20131230033032 is 23033003213102.

It is a super-2 number, since 2×20131230033032² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20131230032989 and 20131230033007.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39220883 + ... + 39730845.

It is an arithmetic number, because the mean of its divisors is an integer number (611712017280).

Almost surely, 2^{20131230033032} is an apocalyptic number.

It is an amenable number.

20131230033032 is a deficient number, since it is larger than the sum of its proper divisors (19018339072888).

20131230033032 is a wasteful number, since it uses less digits than its factorization.

20131230033032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511650 (or 511646 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 20131230033032 its reverse (23033003213102), we get a palindrome (43164233246134).

The spelling of 20131230033032 in words is "twenty trillion, one hundred thirty-one billion, two hundred thirty million, thirty-three thousand, thirty-two".