20733140431373 has 4 divisors (see below), whose sum is σ = 20995585247040. Its totient is φ = 20470695615708.

The previous prime is 20733140431319. The next prime is 20733140431387. The reversal of 20733140431373 is 37313404133702.

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 a cyclic number.

It is not a de Polignac number, because 20733140431373 - 2⁶ = 20733140431309 is a prime.

It is a super-2 number, since 2×20733140431373² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20733140431373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20733140431273) 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, 131222407715 + ... + 131222407872.

It is an arithmetic number, because the mean of its divisors is an integer number (5248896311760).

Almost surely, 2^{20733140431373} is an apocalyptic number.

It is an amenable number.

20733140431373 is a deficient number, since it is larger than the sum of its proper divisors (262444815667).

20733140431373 is an equidigital number, since it uses as much as digits as its factorization.

20733140431373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262444815666.

The product of its (nonzero) digits is 381024, while the sum is 41.

The spelling of 20733140431373 in words is "twenty trillion, seven hundred thirty-three billion, one hundred forty million, four hundred thirty-one thousand, three hundred seventy-three".