20201021022022 has 16 divisors (see below), whose sum is σ = 31996968398640. Its totient is φ = 9538718869728.

The previous prime is 20201021022001. The next prime is 20201021022023. The reversal of 20201021022022 is 22022012010202.

It is a junction number, because it is equal to n+sod(n) for n = 20201021021987 and 20201021022005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201021022023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 838482933 + ... + 838507024.

It is an arithmetic number, because the mean of its divisors is an integer number (1999810524915).

Almost surely, 2^{20201021022022} is an apocalyptic number.

20201021022022 is a deficient number, since it is larger than the sum of its proper divisors (11795947376618).

20201021022022 is a wasteful number, since it uses less digits than its factorization.

20201021022022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1676990295.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20201021022022 its reverse (22022012010202), we get a palindrome (42223033032224).

The spelling of 20201021022022 in words is "twenty trillion, two hundred one billion, twenty-one million, twenty-two thousand, twenty-two".