220869355 has 32 divisors (see below), whose sum is σ = 322323840. Its totient is φ = 141834240.

The previous prime is 220869347. The next prime is 220869359. The reversal of 220869355 is 553968022.

It is not a de Polignac number, because 220869355 - 2³ = 220869347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220869359) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135445 + ... + 137065.

It is an arithmetic number, because the mean of its divisors is an integer number (10072620).

Almost surely, 2^220869355 is an apocalyptic number.

220869355 is a deficient number, since it is larger than the sum of its proper divisors (101454485).

220869355 is a wasteful number, since it uses less digits than its factorization.

220869355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1879.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 220869355 is about 14861.6740308755. The cubic root of 220869355 is about 604.4752000239.

The spelling of 220869355 in words is "two hundred twenty million, eight hundred sixty-nine thousand, three hundred fifty-five".