90100202 has 8 divisors (see below), whose sum is σ = 135591456. Its totient is φ = 44903052.

The previous prime is 90100201. The next prime is 90100237. The reversal of 90100202 is 20200109.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (90100201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72758 + ... + 73985.

It is an arithmetic number, because the mean of its divisors is an integer number (16948932).

Almost surely, 2^90100202 is an apocalyptic number.

90100202 is a deficient number, since it is larger than the sum of its proper divisors (45491254).

90100202 is a wasteful number, since it uses less digits than its factorization.

90100202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147052.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 90100202 is about 9492.1126204865. The cubic root of 90100202 is about 448.3067262010.

The spelling of 90100202 in words is "ninety million, one hundred thousand, two hundred two".