20200121313033 has 4 divisors (see below), whose sum is σ = 26933495084048. Its totient is φ = 13466747542020.

The previous prime is 20200121312963. The next prime is 20200121313157. The reversal of 20200121313033 is 33031312100202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20200121313033 - 2⁹ = 20200121312521 is a prime.

It is a super-2 number, since 2×20200121313033² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20200121313433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3366686885503 + ... + 3366686885508.

It is an arithmetic number, because the mean of its divisors is an integer number (6733373771012).

Almost surely, 2^{20200121313033} is an apocalyptic number.

It is an amenable number.

20200121313033 is a deficient number, since it is larger than the sum of its proper divisors (6733373771015).

20200121313033 is an equidigital number, since it uses as much as digits as its factorization.

20200121313033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6733373771014.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 20200121313033 its reverse (33031312100202), we get a palindrome (53231433413235).

The spelling of 20200121313033 in words is "twenty trillion, two hundred billion, one hundred twenty-one million, three hundred thirteen thousand, thirty-three".