2021001204 has 48 divisors (see below), whose sum is σ = 4891527872. Its totient is φ = 648974592.

The previous prime is 2021001193. The next prime is 2021001221. The reversal of 2021001204 is 4021001202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 2021001204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10842 + ... + 64494.

Almost surely, 2^2021001204 is an apocalyptic number.

It is an amenable number.

2021001204 is an abundant number, since it is smaller than the sum of its proper divisors (2870526668).

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

2021001204 is a wasteful number, since it uses less digits than its factorization.

2021001204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53776 (or 53774 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2021001204 is about 44955.5469769861. The cubic root of 2021001204 is about 1264.3156800128.

Adding to 2021001204 its reverse (4021001202), we get a palindrome (6042002406).

The spelling of 2021001204 in words is "two billion, twenty-one million, one thousand, two hundred four".