20222005440400 has 120 divisors (see below), whose sum is σ = 48631138595424. Its totient is φ = 8080853299200.

The previous prime is 20222005440397. The next prime is 20222005440419. The reversal of 20222005440400 is 404450022202.

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 2061151495 + ... + 2061161305.

Almost surely, 2^{20222005440400} is an apocalyptic number.

20222005440400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20222005440400 is an abundant number, since it is smaller than the sum of its proper divisors (28409133155024).

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

20222005440400 is a wasteful number, since it uses less digits than its factorization.

20222005440400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14369 (or 14358 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

Adding to 20222005440400 its reverse (404450022202), we get a palindrome (20626455462602).

The spelling of 20222005440400 in words is "twenty trillion, two hundred twenty-two billion, five million, four hundred forty thousand, four hundred".