90001201303020 has 192 divisors, whose sum is σ = 295276083056640. Its totient is φ = 20055663771648.

The previous prime is 90001201303019. The next prime is 90001201303217. The reversal of 90001201303020 is 2030310210009.

It is a happy number.

It is a super-2 number, since 2×90001201303020² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3797115 + ... + 13943474.

It is an arithmetic number, because the mean of its divisors is an integer number (1537896265920).

Almost surely, 2^{90001201303020} is an apocalyptic number.

It is an amenable number.

90001201303020 is an abundant number, since it is smaller than the sum of its proper divisors (205274881753620).

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

90001201303020 is a wasteful number, since it uses less digits than its factorization.

90001201303020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17740912 (or 17740910 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 90001201303020 its reverse (2030310210009), we get a palindrome (92031511513029).

The spelling of 90001201303020 in words is "ninety trillion, one billion, two hundred one million, three hundred three thousand, twenty".