10220904449897 has 4 divisors (see below), whose sum is σ = 10254197298576. Its totient is φ = 10187611601220.

The previous prime is 10220904449837. The next prime is 10220904449923. The reversal of 10220904449897 is 79894440902201.

10220904449897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10220904449897 - 2⁸ = 10220904449641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10220904449827) 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, 16646423879 + ... + 16646424492.

It is an arithmetic number, because the mean of its divisors is an integer number (2563549324644).

Almost surely, 2^{10220904449897} is an apocalyptic number.

It is an amenable number.

10220904449897 is a deficient number, since it is larger than the sum of its proper divisors (33292848679).

10220904449897 is an equidigital number, since it uses as much as digits as its factorization.

10220904449897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33292848678.

The product of its (nonzero) digits is 10450944, while the sum is 59.

The spelling of 10220904449897 in words is "ten trillion, two hundred twenty billion, nine hundred four million, four hundred forty-nine thousand, eight hundred ninety-seven".