20022311144400 has 120 divisors (see below), whose sum is σ = 64773168147744. Its totient is φ = 5286418752000.

The previous prime is 20022311144393. The next prime is 20022311144411. The reversal of 20022311144400 is 444111322002.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82479094 + ... + 82721493.

Almost surely, 2^{20022311144400} is an apocalyptic number.

20022311144400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20022311144400 is an abundant number, since it is smaller than the sum of its proper divisors (44750857003344).

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

20022311144400 is a wasteful number, since it uses less digits than its factorization.

20022311144400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165200709 (or 165200698 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 20022311144400 its reverse (444111322002), we get a palindrome (20466422466402).

The spelling of 20022311144400 in words is "twenty trillion, twenty-two billion, three hundred eleven million, one hundred forty-four thousand, four hundred".