220766643030 has 32 divisors (see below), whose sum is σ = 530123263488. Its totient is φ = 58839624800.

The previous prime is 220766643017. The next prime is 220766643067. The reversal of 220766643030 is 30346667022.

It is a self number, because there is not a number n which added to its sum of digits gives 220766643030.

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, 1910436 + ... + 2022695.

It is an arithmetic number, because the mean of its divisors is an integer number (16566351984).

Almost surely, 2^220766643030 is an apocalyptic number.

220766643030 is an abundant number, since it is smaller than the sum of its proper divisors (309356620458).

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

220766643030 is a wasteful number, since it uses less digits than its factorization.

220766643030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3935012.

The product of its (nonzero) digits is 217728, while the sum is 39.

The spelling of 220766643030 in words is "two hundred twenty billion, seven hundred sixty-six million, six hundred forty-three thousand, thirty".