2021230012020 has 96 divisors (see below), whose sum is σ = 6252889644288. Its totient is φ = 485233047552.

The previous prime is 2021230012007. The next prime is 2021230012051. The reversal of 2021230012020 is 202100321202.

It is a happy number.

It is a super-2 number, since 2×2021230012020² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 43054759 + ... + 43101678.

It is an arithmetic number, because the mean of its divisors is an integer number (65134267128).

Almost surely, 2^{2021230012020} is an apocalyptic number.

2021230012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021230012020 is an abundant number, since it is smaller than the sum of its proper divisors (4231659632268).

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

2021230012020 is a wasteful number, since it uses less digits than its factorization.

2021230012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86156489 (or 86156487 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 2021230012020 its reverse (202100321202), we get a palindrome (2223330333222).

The spelling of 2021230012020 in words is "two trillion, twenty-one billion, two hundred thirty million, twelve thousand, twenty".