10220645446 has 32 divisors (see below), whose sum is σ = 17749676448. Its totient is φ = 4362301440.

The previous prime is 10220645437. The next prime is 10220645467. The reversal of 10220645446 is 64454602201.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130386 + ... + 193498.

It is an arithmetic number, because the mean of its divisors is an integer number (554677389).

Almost surely, 2^10220645446 is an apocalyptic number.

10220645446 is a deficient number, since it is larger than the sum of its proper divisors (7529031002).

10220645446 is a wasteful number, since it uses less digits than its factorization.

10220645446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63576.

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 10220645446 in words is "ten billion, two hundred twenty million, six hundred forty-five thousand, four hundred forty-six".