1220090910 has 32 divisors (see below), whose sum is σ = 3007361952. Its totient is φ = 316563840.

The previous prime is 1220090897. The next prime is 1220090917. The reversal of 1220090910 is 190900221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220090917) 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, 548481 + ... + 550700.

It is an arithmetic number, because the mean of its divisors is an integer number (93980061).

Almost surely, 2^1220090910 is an apocalyptic number.

1220090910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220090910 is an abundant number, since it is smaller than the sum of its proper divisors (1787271042).

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

1220090910 is a wasteful number, since it uses less digits than its factorization.

1220090910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099228.

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 1220090910 is about 34929.7997417678. The cubic root of 1220090910 is about 1068.5562704836.

The spelling of 1220090910 in words is "one billion, two hundred twenty million, ninety thousand, nine hundred ten".