9010697220 has 108 divisors (see below), whose sum is σ = 31794919884. Its totient is φ = 2059585920.

The previous prime is 9010697219. The next prime is 9010697231. The reversal of 9010697220 is 227960109.

It can be written as a sum of positive squares in 2 ways, for example, as 6922572804 + 2088124416 = 83202^2 + 45696^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 501991 + ... + 519630.

Almost surely, 2^9010697220 is an apocalyptic number.

9010697220 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

9010697220 is an abundant number, since it is smaller than the sum of its proper divisors (22784222664).

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

9010697220 is a wasteful number, since it uses less digits than its factorization.

9010697220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021650 (or 1021638 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 9010697220 is about 94924.6923618929. The cubic root of 9010697220 is about 2080.9076121018.

The spelling of 9010697220 in words is "nine billion, ten million, six hundred ninety-seven thousand, two hundred twenty".