220798692 has 36 divisors (see below), whose sum is σ = 577378620. Its totient is φ = 71061312.

The previous prime is 220798691. The next prime is 220798717. The reversal of 220798692 is 296897022.

220798692 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 137733696 + 83064996 = 11736^2 + 9114^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (220798691) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104703 + ... + 106790.

It is an arithmetic number, because the mean of its divisors is an integer number (16038295).

Almost surely, 2^220798692 is an apocalyptic number.

It is an amenable number.

220798692 is an abundant number, since it is smaller than the sum of its proper divisors (356579928).

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

220798692 is a wasteful number, since it uses less digits than its factorization.

220798692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211532 (or 211527 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 220798692 is about 14859.2964840197. The cubic root of 220798692 is about 604.4107296540.

The spelling of 220798692 in words is "two hundred twenty million, seven hundred ninety-eight thousand, six hundred ninety-two".