20377760041 has 4 divisors (see below), whose sum is σ = 21263749632. Its totient is φ = 19491770452.

The previous prime is 20377760009. The next prime is 20377760047. The reversal of 20377760041 is 14006777302.

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 20377760041 - 2⁵ = 20377760009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20377760047) 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, 442994761 + ... + 442994806.

It is an arithmetic number, because the mean of its divisors is an integer number (5315937408).

Almost surely, 2^20377760041 is an apocalyptic number.

It is an amenable number.

20377760041 is a deficient number, since it is larger than the sum of its proper divisors (885989591).

20377760041 is an equidigital number, since it uses as much as digits as its factorization.

20377760041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885989590.

The product of its (nonzero) digits is 49392, while the sum is 37.

The spelling of 20377760041 in words is "twenty billion, three hundred seventy-seven million, seven hundred sixty thousand, forty-one".