20001120020022 has 32 divisors (see below), whose sum is σ = 44196848335872. Its totient is φ = 6002041130624.

The previous prime is 20001120020009. The next prime is 20001120020069. The reversal of 20001120020022 is 22002002110002.

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, 4262810958 + ... + 4262815649.

It is an arithmetic number, because the mean of its divisors is an integer number (1381151510496).

Almost surely, 2^{20001120020022} is an apocalyptic number.

20001120020022 is an abundant number, since it is smaller than the sum of its proper divisors (24195728315850).

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

20001120020022 is a wasteful number, since it uses less digits than its factorization.

20001120020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8525626652.

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

Adding to 20001120020022 its reverse (22002002110002), we get a palindrome (42003122130024).

The spelling of 20001120020022 in words is "twenty trillion, one billion, one hundred twenty million, twenty thousand, twenty-two".