220294377 has 16 divisors (see below), whose sum is σ = 331896000. Its totient is φ = 144372672.

The previous prime is 220294357. The next prime is 220294387. The reversal of 220294377 is 773492022.

220294377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220294377 - 2¹² = 220290281 is a prime.

It is a super-2 number, since 2×220294377² = 97059225075636258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220294357) 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, 67552 + ... + 70737.

It is an arithmetic number, because the mean of its divisors is an integer number (20743500).

Almost surely, 2^220294377 is an apocalyptic number.

220294377 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

220294377 is a deficient number, since it is larger than the sum of its proper divisors (111601623).

220294377 is a wasteful number, since it uses less digits than its factorization.

220294377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138357 (or 138351 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 220294377 is about 14842.3171034714. The cubic root of 220294377 is about 603.9502109815.

The spelling of 220294377 in words is "two hundred twenty million, two hundred ninety-four thousand, three hundred seventy-seven".