88002020 has 12 divisors (see below), whose sum is σ = 184804284. Its totient is φ = 35200800.

The previous prime is 88001999. The next prime is 88002023. The reversal of 88002020 is 2020088.

It can be written as a sum of positive squares in 2 ways, for example, as 12902464 + 75099556 = 3592^2 + 8666^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 4400101 = 88002020 / (8 + 8 + 0 + 0 + 2 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 88001983 and 88002001.

It is not an unprimeable number, because it can be changed into a prime (88002023) 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, 2200031 + ... + 2200070.

It is an arithmetic number, because the mean of its divisors is an integer number (15400357).

Almost surely, 2^88002020 is an apocalyptic number.

It is an amenable number.

88002020 is an abundant number, since it is smaller than the sum of its proper divisors (96802264).

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

88002020 is a wasteful number, since it uses less digits than its factorization.

88002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4400110 (or 4400108 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 88002020 is about 9380.9391853908. The cubic root of 88002020 is about 444.7994214513.

The spelling of 88002020 in words is "eighty-eight million, two thousand, twenty".