20022101022 has 32 divisors (see below), whose sum is σ = 49925240064. Its totient is φ = 5200545600.

The previous prime is 20022101017. The next prime is 20022101041. The reversal of 20022101022 is 22010122002.

It is a junction number, because it is equal to n+sod(n) for n = 20022100989 and 20022101007.

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, 21668479 + ... + 21669402.

It is an arithmetic number, because the mean of its divisors is an integer number (1560163752).

Almost surely, 2^20022101022 is an apocalyptic number.

20022101022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20022101022 is an abundant number, since it is smaller than the sum of its proper divisors (29903139042).

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

20022101022 is a wasteful number, since it uses less digits than its factorization.

20022101022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43337904.

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

Adding to 20022101022 its reverse (22010122002), we get a palindrome (42032223024).

The spelling of 20022101022 in words is "twenty billion, twenty-two million, one hundred one thousand, twenty-two".