220213826644 has 48 divisors (see below), whose sum is σ = 447295676800. Its totient is φ = 92907492480.

The previous prime is 220213826603. The next prime is 220213826681. The reversal of 220213826644 is 446628312022.

It is a junction number, because it is equal to n+sod(n) for n = 220213826597 and 220213826606.

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, 2868034 + ... + 2943814.

Almost surely, 2^220213826644 is an apocalyptic number.

It is an amenable number.

220213826644 is an abundant number, since it is smaller than the sum of its proper divisors (227081850156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220213826644 is a wasteful number, since it uses less digits than its factorization.

220213826644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77408 (or 77406 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 40.

The spelling of 220213826644 in words is "two hundred twenty billion, two hundred thirteen million, eight hundred twenty-six thousand, six hundred forty-four".