220379854357 has 16 divisors (see below), whose sum is σ = 251131345920. Its totient is φ = 191711793600.

The previous prime is 220379854339. The next prime is 220379854361. The reversal of 220379854357 is 753458973022.

It is a de Polignac number, because none of the positive numbers 2^k-220379854357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220379854298 and 220379854307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220379854157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2288494 + ... + 2382847.

It is an arithmetic number, because the mean of its divisors is an integer number (15695709120).

Almost surely, 2^220379854357 is an apocalyptic number.

It is an amenable number.

220379854357 is a deficient number, since it is larger than the sum of its proper divisors (30751491563).

220379854357 is a wasteful number, since it uses less digits than its factorization.

220379854357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4671564.

The product of its (nonzero) digits is 12700800, while the sum is 55.

The spelling of 220379854357 in words is "two hundred twenty billion, three hundred seventy-nine million, eight hundred fifty-four thousand, three hundred fifty-seven".