20211002022 has 32 divisors (see below), whose sum is σ = 41102306784. Its totient is φ = 6623712000.

The previous prime is 20211001981. The next prime is 20211002047. The reversal of 20211002022 is 22020011202.

It is a junction number, because it is equal to n+sod(n) for n = 20211001989 and 20211002007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 947272 + ... + 968372.

It is an arithmetic number, because the mean of its divisors is an integer number (1284447087).

Almost surely, 2^20211002022 is an apocalyptic number.

20211002022 is an abundant number, since it is smaller than the sum of its proper divisors (20891304762).

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

20211002022 is a wasteful number, since it uses less digits than its factorization.

20211002022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23784.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20211002022 its reverse (22020011202), we get a palindrome (42231013224).

The spelling of 20211002022 in words is "twenty billion, two hundred eleven million, two thousand, twenty-two".