2021000202 has 48 divisors (see below), whose sum is σ = 4920709248. Its totient is φ = 594807840.

The previous prime is 2021000147. The next prime is 2021000251. The reversal of 2021000202 is 2020001202.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 182374 + ... + 193137.

It is an arithmetic number, because the mean of its divisors is an integer number (102514776).

Almost surely, 2^2021000202 is an apocalyptic number.

2021000202 is an abundant number, since it is smaller than the sum of its proper divisors (2899709046).

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

2021000202 is a wasteful number, since it uses less digits than its factorization.

2021000202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375555 (or 375552 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 2021000202 is about 44955.5358326425. The cubic root of 2021000202 is about 1264.3154710661.

Adding to 2021000202 its reverse (2020001202), we get a palindrome (4041001404).

It can be divided in two parts, 2021000 and 202, that added together give a palindrome (2021202).

The spelling of 2021000202 in words is "two billion, twenty-one million, two hundred two", and thus it is an aban number.