2021334304420 has 24 divisors (see below), whose sum is σ = 4335116978304. Its totient is φ = 791330876256.

The previous prime is 2021334304397. The next prime is 2021334304463. The reversal of 2021334304420 is 244034331202.

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, 1075176882 + ... + 1075178761.

It is an arithmetic number, because the mean of its divisors is an integer number (180629874096).

Almost surely, 2^{2021334304420} is an apocalyptic number.

2021334304420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021334304420 is an abundant number, since it is smaller than the sum of its proper divisors (2313782673884).

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

2021334304420 is a wasteful number, since it uses less digits than its factorization.

2021334304420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2150355699 (or 2150355697 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 2021334304420 its reverse (244034331202), we get a palindrome (2265368635622).

The spelling of 2021334304420 in words is "two trillion, twenty-one billion, three hundred thirty-four million, three hundred four thousand, four hundred twenty".