20021210201022 has 16 divisors (see below), whose sum is σ = 40067031620352. Its totient is φ = 6669634863960.

The previous prime is 20021210201011. The next prime is 20021210201039. The reversal of 20021210201022 is 22010201212002.

It is a junction number, because it is equal to n+sod(n) for n = 20021210200992 and 20021210201010.

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, 1025456854 + ... + 1025476377.

It is an arithmetic number, because the mean of its divisors is an integer number (2504189476272).

Almost surely, 2^{20021210201022} is an apocalyptic number.

20021210201022 is an abundant number, since it is smaller than the sum of its proper divisors (20045821419330).

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

20021210201022 is a wasteful number, since it uses less digits than its factorization.

20021210201022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2050934863.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20021210201022 its reverse (22010201212002), we get a palindrome (42031411413024).

The spelling of 20021210201022 in words is "twenty trillion, twenty-one billion, two hundred ten million, two hundred one thousand, twenty-two".