220858257950 has 48 divisors (see below), whose sum is σ = 452252995920. Its totient is φ = 79575264000.

The previous prime is 220858257931. The next prime is 220858257989. The reversal of 220858257950 is 59752858022.

220858257950 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 220858257892 and 220858257901.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1782071 + ... + 1901970.

It is an arithmetic number, because the mean of its divisors is an integer number (9421937415).

Almost surely, 2^220858257950 is an apocalyptic number.

220858257950 is an abundant number, since it is smaller than the sum of its proper divisors (231394737970).

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

220858257950 is a wasteful number, since it uses less digits than its factorization.

220858257950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3684173 (or 3684168 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 53.

The spelling of 220858257950 in words is "two hundred twenty billion, eight hundred fifty-eight million, two hundred fifty-seven thousand, nine hundred fifty".