2021133202040 has 32 divisors (see below), whose sum is σ = 4547618523360. Its totient is φ = 808441046400.

The previous prime is 2021133202027. The next prime is 2021133202051. The reversal of 2021133202040 is 402023311202.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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, 2576645 + ... + 3268235.

It is an arithmetic number, because the mean of its divisors is an integer number (142113078855).

Almost surely, 2^{2021133202040} is an apocalyptic number.

2021133202040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021133202040 is an abundant number, since it is smaller than the sum of its proper divisors (2526485321320).

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

2021133202040 is a wasteful number, since it uses less digits than its factorization.

2021133202040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764663 (or 764659 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2021133202040 its reverse (402023311202), we get a palindrome (2423156513242).

The spelling of 2021133202040 in words is "two trillion, twenty-one billion, one hundred thirty-three million, two hundred two thousand, forty".