20020920765467 has 4 divisors (see below), whose sum is σ = 20067158458200. Its totient is φ = 19974683072736.

The previous prime is 20020920765403. The next prime is 20020920765499. The reversal of 20020920765467 is 76456702902002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20020920765467 - 2⁶ = 20020920765403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20020920765667) 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, 23118845717 + ... + 23118846582.

It is an arithmetic number, because the mean of its divisors is an integer number (5016789614550).

Almost surely, 2^{20020920765467} is an apocalyptic number.

20020920765467 is a deficient number, since it is larger than the sum of its proper divisors (46237692733).

20020920765467 is an equidigital number, since it uses as much as digits as its factorization.

20020920765467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46237692732.

The product of its (nonzero) digits is 2540160, while the sum is 50.

The spelling of 20020920765467 in words is "twenty trillion, twenty billion, nine hundred twenty million, seven hundred sixty-five thousand, four hundred sixty-seven".