90601202 has 4 divisors (see below), whose sum is σ = 135901806. Its totient is φ = 45300600.

The previous prime is 90601193. The next prime is 90601207. The reversal of 90601202 is 20210609.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 87815641 + 2785561 = 9371^2 + 1669^2 .

It is not an unprimeable number, because it can be changed into a prime (90601207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22650299 + ... + 22650302.

Almost surely, 2^90601202 is an apocalyptic number.

90601202 is a deficient number, since it is larger than the sum of its proper divisors (45300604).

90601202 is a wasteful number, since it uses less digits than its factorization.

90601202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45300603.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 90601202 is about 9518.4663680658. The cubic root of 90601202 is about 449.1361237263.

The spelling of 90601202 in words is "ninety million, six hundred one thousand, two hundred two".