90021013023030 has 32 divisors (see below), whose sum is σ = 216052432566624. Its totient is φ = 24005381104896.

The previous prime is 90021013023023. The next prime is 90021013023031. The reversal of 90021013023030 is 3032031012009.

90021013023030 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90021013023031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10592497 + ... + 17095116.

It is an arithmetic number, because the mean of its divisors is an integer number (6751638517707).

Almost surely, 2^{90021013023030} is an apocalyptic number.

90021013023030 is an abundant number, since it is smaller than the sum of its proper divisors (126031419543594).

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

90021013023030 is a wasteful number, since it uses less digits than its factorization.

90021013023030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27796000.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 90021013023030 its reverse (3032031012009), we get a palindrome (93053044035039).

The spelling of 90021013023030 in words is "ninety trillion, twenty-one billion, thirteen million, twenty-three thousand, thirty".