10220645461 has 16 divisors (see below), whose sum is σ = 11335161600. Its totient is φ = 9157082688.

The previous prime is 10220645437. The next prime is 10220645467. The reversal of 10220645461 is 16454602201.

It is a happy number.

It is not a de Polignac number, because 10220645461 - 2¹⁷ = 10220514389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220645467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23746 + ... + 144931.

It is an arithmetic number, because the mean of its divisors is an integer number (708447600).

Almost surely, 2^10220645461 is an apocalyptic number.

It is an amenable number.

10220645461 is a deficient number, since it is larger than the sum of its proper divisors (1114516139).

10220645461 is a wasteful number, since it uses less digits than its factorization.

10220645461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168828.

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 10220645461 in words is "ten billion, two hundred twenty million, six hundred forty-five thousand, four hundred sixty-one".