20013030133232 has 40 divisors (see below), whose sum is σ = 39684904847280. Its totient is φ = 9771857141760.

The previous prime is 20013030133171. The next prime is 20013030133241. The reversal of 20013030133232 is 23233103031002.

It is a super-2 number, since 2×20013030133232² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20013030133198 and 20013030133207.

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, 557744 + ... + 6351152.

It is an arithmetic number, because the mean of its divisors is an integer number (992122621182).

Almost surely, 2^{20013030133232} is an apocalyptic number.

It is an amenable number.

20013030133232 is a deficient number, since it is larger than the sum of its proper divisors (19671874714048).

20013030133232 is a wasteful number, since it uses less digits than its factorization.

20013030133232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5798481 (or 5798475 counting only the distinct ones).

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

Adding to 20013030133232 its reverse (23233103031002), we get a palindrome (43246133164234).

The spelling of 20013030133232 in words is "twenty trillion, thirteen billion, thirty million, one hundred thirty-three thousand, two hundred thirty-two".