89420020 has 12 divisors (see below), whose sum is σ = 187782084. Its totient is φ = 35768000.

The previous prime is 89419999. The next prime is 89420029. The reversal of 89420020 is 2002498.

It can be written as a sum of positive squares in 2 ways, for example, as 37896336 + 51523684 = 6156^2 + 7178^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89420029) 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 3 ways as a sum of consecutive naturals, for example, 2235481 + ... + 2235520.

It is an arithmetic number, because the mean of its divisors is an integer number (15648507).

Almost surely, 2^89420020 is an apocalyptic number.

It is an amenable number.

89420020 is an abundant number, since it is smaller than the sum of its proper divisors (98362064).

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

89420020 is a wasteful number, since it uses less digits than its factorization.

89420020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4471010 (or 4471008 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 89420020 is about 9456.2159450808. The cubic root of 89420020 is about 447.1757604658.

The spelling of 89420020 in words is "eighty-nine million, four hundred twenty thousand, twenty".