2021234660 has 24 divisors (see below), whose sum is σ = 4272709056. Its totient is φ = 803138400.

The previous prime is 2021234653. The next prime is 2021234693. The reversal of 2021234660 is 664321202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331622 + ... + 337661.

It is an arithmetic number, because the mean of its divisors is an integer number (178029544).

Almost surely, 2^2021234660 is an apocalyptic number.

2021234660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021234660 is an abundant number, since it is smaller than the sum of its proper divisors (2251474396).

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

2021234660 is a wasteful number, since it uses less digits than its factorization.

2021234660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669443 (or 669441 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 2021234660 is about 44958.1434225214. The cubic root of 2021234660 is about 1264.3643606232.

Adding to 2021234660 its reverse (664321202), we get a palindrome (2685555862).

It can be divided in two parts, 20212 and 34660, that added together give a cube (54872 = 38³).

The spelling of 2021234660 in words is "two billion, twenty-one million, two hundred thirty-four thousand, six hundred sixty".