89162020 has 12 divisors (see below), whose sum is σ = 187240284. Its totient is φ = 35664800.

The previous prime is 89162011. The next prime is 89162023. The reversal of 89162020 is 2026198.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 23097636 + 66064384 = 4806^2 + 8128^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 89162020.

It is not an unprimeable number, because it can be changed into a prime (89162023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2229031 + ... + 2229070.

It is an arithmetic number, because the mean of its divisors is an integer number (15603357).

Almost surely, 2^89162020 is an apocalyptic number.

It is an amenable number.

89162020 is an abundant number, since it is smaller than the sum of its proper divisors (98078264).

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

89162020 is a wasteful number, since it uses less digits than its factorization.

89162020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4458110 (or 4458108 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 89162020 is about 9442.5642703664. The cubic root of 89162020 is about 446.7452734109.

The spelling of 89162020 in words is "eighty-nine million, one hundred sixty-two thousand, twenty".