20220022109977 has 4 divisors (see below), whose sum is σ = 20220088260816. Its totient is φ = 20219955959140.

The previous prime is 20220022109933. The next prime is 20220022109983. The reversal of 20220022109977 is 77990122002202.

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 a de Polignac number, because none of the positive numbers 2^k-20220022109977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20220022109377) 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, 32614783 + ... + 33228964.

It is an arithmetic number, because the mean of its divisors is an integer number (5055022065204).

Almost surely, 2^{20220022109977} is an apocalyptic number.

It is an amenable number.

20220022109977 is a deficient number, since it is larger than the sum of its proper divisors (66150839).

20220022109977 is an equidigital number, since it uses as much as digits as its factorization.

20220022109977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66150838.

The product of its (nonzero) digits is 127008, while the sum is 43.

The spelling of 20220022109977 in words is "twenty trillion, two hundred twenty billion, twenty-two million, one hundred nine thousand, nine hundred seventy-seven".