22120200554 has 16 divisors (see below), whose sum is σ = 33367593600. Its totient is φ = 10997733264.

The previous prime is 22120200551. The next prime is 22120200559. The reversal of 22120200554 is 45500202122.

It is not an unprimeable number, because it can be changed into a prime (22120200551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 725387 + ... + 755265.

It is an arithmetic number, because the mean of its divisors is an integer number (2085474600).

Almost surely, 2^22120200554 is an apocalyptic number.

22120200554 is a deficient number, since it is larger than the sum of its proper divisors (11247393046).

22120200554 is a wasteful number, since it uses less digits than its factorization.

22120200554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31957.

The product of its (nonzero) digits is 1600, while the sum is 23.

Adding to 22120200554 its reverse (45500202122), we get a palindrome (67620402676).

The spelling of 22120200554 in words is "twenty-two billion, one hundred twenty million, two hundred thousand, five hundred fifty-four".