90094020 has 48 divisors (see below), whose sum is σ = 254778048. Its totient is φ = 23785600.

The previous prime is 90094009. The next prime is 90094027. The reversal of 90094020 is 2049009.

It is not an unprimeable number, because it can be changed into a prime (90094027) 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, 1374 + ... + 13493.

It is an arithmetic number, because the mean of its divisors is an integer number (5307876).

Almost surely, 2^90094020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90094020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127389024).

90094020 is an abundant number, since it is smaller than the sum of its proper divisors (164684028).

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

90094020 is a wasteful number, since it uses less digits than its factorization.

90094020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14980 (or 14978 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 90094020 is about 9491.7869761178. The cubic root of 90094020 is about 448.2964728182.

The spelling of 90094020 in words is "ninety million, ninety-four thousand, twenty".