90322313020 has 12 divisors (see below), whose sum is σ = 189676857384. Its totient is φ = 36128925200.

The previous prime is 90322312979. The next prime is 90322313141. The reversal of 90322313020 is 2031322309.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2258057806 + ... + 2258057845.

It is an arithmetic number, because the mean of its divisors is an integer number (15806404782).

Almost surely, 2^90322313020 is an apocalyptic number.

It is an amenable number.

90322313020 is an abundant number, since it is smaller than the sum of its proper divisors (99354544364).

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

90322313020 is a wasteful number, since it uses less digits than its factorization.

90322313020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4516115660 (or 4516115658 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 90322313020 its reverse (2031322309), we get a palindrome (92353635329).

The spelling of 90322313020 in words is "ninety billion, three hundred twenty-two million, three hundred thirteen thousand, twenty".