20201021010022 has 16 divisors (see below), whose sum is σ = 30440230037712. Its totient is φ = 10054313383680.

The previous prime is 20201021009999. The next prime is 20201021010059. The reversal of 20201021010022 is 22001012010202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20201021009984 and 20201021010011.

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, 7797343 + ... + 10059850.

It is an arithmetic number, because the mean of its divisors is an integer number (1902514377357).

Almost surely, 2^{20201021010022} is an apocalyptic number.

20201021010022 is a deficient number, since it is larger than the sum of its proper divisors (10239209027690).

20201021010022 is a wasteful number, since it uses less digits than its factorization.

20201021010022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17859783.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20201021010022 its reverse (22001012010202), we get a palindrome (42202033020224).

The spelling of 20201021010022 in words is "twenty trillion, two hundred one billion, twenty-one million, ten thousand, twenty-two".