20201200000022 has 4 divisors (see below), whose sum is σ = 30301800000036. Its totient is φ = 10100600000010.

The previous prime is 20201200000019. The next prime is 20201200000127. The reversal of 20201200000022 is 22000000210202.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 20201199999949 and 20201200000012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050300000004 + ... + 5050300000007.

It is an arithmetic number, because the mean of its divisors is an integer number (7575450000009).

Almost surely, 2^{20201200000022} is an apocalyptic number.

20201200000022 is a deficient number, since it is larger than the sum of its proper divisors (10100600000014).

20201200000022 is a wasteful number, since it uses less digits than its factorization.

20201200000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10100600000013.

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 20201200000022 its reverse (22000000210202), we get a palindrome (42201200210224).

The spelling of 20201200000022 in words is "twenty trillion, two hundred one billion, two hundred million, twenty-two", and thus it is an aban number.