2021334434420 has 96 divisors (see below), whose sum is σ = 4866873403392. Its totient is φ = 690793538688.

The previous prime is 2021334434419. The next prime is 2021334434477. The reversal of 2021334434420 is 244344331202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61898537 + ... + 61931183.

It is an arithmetic number, because the mean of its divisors is an integer number (50696597952).

Almost surely, 2^{2021334434420} is an apocalyptic number.

2021334434420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021334434420 is an abundant number, since it is smaller than the sum of its proper divisors (2845538968972).

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

2021334434420 is a wasteful number, since it uses less digits than its factorization.

2021334434420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34077 (or 34075 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 2021334434420 its reverse (244344331202), we get a palindrome (2265678765622).

The spelling of 2021334434420 in words is "two trillion, twenty-one billion, three hundred thirty-four million, four hundred thirty-four thousand, four hundred twenty".