89020200021 has 4 divisors (see below), whose sum is σ = 118693600032. Its totient is φ = 59346800012.

The previous prime is 89020200011. The next prime is 89020200041. The reversal of 89020200021 is 12000202098.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 89020200021 - 2¹⁰ = 89020198997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89020199964 and 89020200000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89020200011) 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, 14836700001 + ... + 14836700006.

It is an arithmetic number, because the mean of its divisors is an integer number (29673400008).

Almost surely, 2^89020200021 is an apocalyptic number.

It is an amenable number.

89020200021 is a deficient number, since it is larger than the sum of its proper divisors (29673400011).

89020200021 is a wasteful number, since it uses less digits than its factorization.

89020200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29673400010.

The product of its (nonzero) digits is 576, while the sum is 24.

The spelling of 89020200021 in words is "eighty-nine billion, twenty million, two hundred thousand, twenty-one".