90069020 has 24 divisors (see below), whose sum is σ = 189513744. Its totient is φ = 35957376.

The previous prime is 90068977. The next prime is 90069029. The reversal of 90069020 is 2096009.

It is a super-2 number, since 2×90069020² = 16224856727520800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90069029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6824 + ... + 15056.

It is an arithmetic number, because the mean of its divisors is an integer number (7896406).

Almost surely, 2^90069020 is an apocalyptic number.

It is an amenable number.

90069020 is an abundant number, since it is smaller than the sum of its proper divisors (99444724).

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

90069020 is a wasteful number, since it uses less digits than its factorization.

90069020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8789 (or 8787 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 90069020 is about 9490.4699567514. The cubic root of 90069020 is about 448.2550033673.

The spelling of 90069020 in words is "ninety million, sixty-nine thousand, twenty".