2021020020022 has 16 divisors (see below), whose sum is σ = 3301121631600. Its totient is φ = 924314055840.

The previous prime is 2021020019989. The next prime is 2021020020043. The reversal of 2021020020022 is 2200200201202.

It is a junction number, because it is equal to n+sod(n) for n = 2021020019984 and 2021020020011.

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, 916977129 + ... + 916979332.

It is an arithmetic number, because the mean of its divisors is an integer number (206320101975).

Almost surely, 2^{2021020020022} is an apocalyptic number.

2021020020022 is a deficient number, since it is larger than the sum of its proper divisors (1280101611578).

2021020020022 is a wasteful number, since it uses less digits than its factorization.

2021020020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833956511.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 2021020020022 its reverse (2200200201202), we get a palindrome (4221220221224).

The spelling of 2021020020022 in words is "two trillion, twenty-one billion, twenty million, twenty thousand, twenty-two".