2021140052 has 12 divisors (see below), whose sum is σ = 3539909940. Its totient is φ = 1009737216.

The previous prime is 2021140027. The next prime is 2021140061. The reversal of 2021140052 is 2500411202.

It can be written as a sum of positive squares in 2 ways, for example, as 1447345936 + 573794116 = 38044^2 + 23954^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2021140052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202727 + ... + 212462.

It is an arithmetic number, because the mean of its divisors is an integer number (294992495).

Almost surely, 2^2021140052 is an apocalyptic number.

It is an amenable number.

2021140052 is a deficient number, since it is larger than the sum of its proper divisors (1518769888).

2021140052 is a wasteful number, since it uses less digits than its factorization.

2021140052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416410 (or 416408 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 2021140052 is about 44957.0912315288. The cubic root of 2021140052 is about 1264.3446332668.

Adding to 2021140052 its reverse (2500411202), we get a palindrome (4521551254).

The spelling of 2021140052 in words is "two billion, twenty-one million, one hundred forty thousand, fifty-two".