90920200090 has 16 divisors (see below), whose sum is σ = 164513203200. Its totient is φ = 36177670480.

The previous prime is 90920200061. The next prime is 90920200127. The reversal of 90920200090 is 9000202909.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23799190 + ... + 23803009.

It is an arithmetic number, because the mean of its divisors is an integer number (10282075200).

Almost surely, 2^90920200090 is an apocalyptic number.

90920200090 is a deficient number, since it is larger than the sum of its proper divisors (73593003110).

90920200090 is a wasteful number, since it uses less digits than its factorization.

90920200090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47602397.

The product of its (nonzero) digits is 2916, while the sum is 31.

Adding to 90920200090 its reverse (9000202909), we get a palindrome (99920402999).

The spelling of 90920200090 in words is "ninety billion, nine hundred twenty million, two hundred thousand, ninety".