90020446429641 has 96 divisors (see below), whose sum is σ = 156364287575040. Its totient is φ = 44981606921472.

The previous prime is 90020446429637. The next prime is 90020446429687. The reversal of 90020446429641 is 14692464402009.

It is not a de Polignac number, because 90020446429641 - 2² = 90020446429637 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90020446429631) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1801933635 + ... + 1801983591.

It is an arithmetic number, because the mean of its divisors is an integer number (1628794662240).

Almost surely, 2^{90020446429641} is an apocalyptic number.

90020446429641 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

It is an amenable number.

90020446429641 is a deficient number, since it is larger than the sum of its proper divisors (66343841145399).

90020446429641 is a wasteful number, since it uses less digits than its factorization.

90020446429641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76735 (or 76722 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 51.

The spelling of 90020446429641 in words is "ninety trillion, twenty billion, four hundred forty-six million, four hundred twenty-nine thousand, six hundred forty-one".