20201220033113 has 8 divisors (see below), whose sum is σ = 23100233756160. Its totient is φ = 17305487596800.

The previous prime is 20201220033091. The next prime is 20201220033161. The reversal of 20201220033113 is 31133002210202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20201220033113 - 2³⁴ = 20184040163929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20201226033113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 820308488 + ... + 820333113.

It is an arithmetic number, because the mean of its divisors is an integer number (2887529219520).

Almost surely, 2^{20201220033113} is an apocalyptic number.

It is an amenable number.

20201220033113 is a deficient number, since it is larger than the sum of its proper divisors (2899013723047).

20201220033113 is a wasteful number, since it uses less digits than its factorization.

20201220033113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640643367.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20201220033113 its reverse (31133002210202), we get a palindrome (51334222243315).

The spelling of 20201220033113 in words is "twenty trillion, two hundred one billion, two hundred twenty million, thirty-three thousand, one hundred thirteen".