90332220202 has 48 divisors (see below), whose sum is σ = 159945294600. Its totient is φ = 38143913472.

The previous prime is 90332220169. The next prime is 90332220211. The reversal of 90332220202 is 20202223309.

It can be written as a sum of positive squares in 4 ways, for example, as 71903886201 + 18428334001 = 268149^2 + 135751^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7498528 + ... + 7510564.

Almost surely, 2^90332220202 is an apocalyptic number.

90332220202 is a deficient number, since it is larger than the sum of its proper divisors (69613074398).

90332220202 is a wasteful number, since it uses less digits than its factorization.

90332220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13175 (or 13168 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The spelling of 90332220202 in words is "ninety billion, three hundred thirty-two million, two hundred twenty thousand, two hundred two".