220089631 has 2 divisors, whose sum is σ = 220089632. Its totient is φ = 220089630.

The previous prime is 220089593. The next prime is 220089637. The reversal of 220089631 is 136980022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220089631 - 2⁷ = 220089503 is a prime.

It is a super-2 number, since 2×220089631² = 96878891347432322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220089593 and 220089602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220089637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110044815 + 110044816.

It is an arithmetic number, because the mean of its divisors is an integer number (110044816).

Almost surely, 2^220089631 is an apocalyptic number.

220089631 is a deficient number, since it is larger than the sum of its proper divisors (1).

220089631 is an equidigital number, since it uses as much as digits as its factorization.

220089631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 220089631 is about 14835.4181269016. The cubic root of 220089631 is about 603.7630451825.

The spelling of 220089631 in words is "two hundred twenty million, eighty-nine thousand, six hundred thirty-one".