20045344522 has 32 divisors (see below), whose sum is σ = 35226576000. Its totient is φ = 8375377920.

The previous prime is 20045344499. The next prime is 20045344523. The reversal of 20045344522 is 22544354002.

It is not an unprimeable number, because it can be changed into a prime (20045344523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 848778 + ... + 872074.

It is an arithmetic number, because the mean of its divisors is an integer number (1100830500).

Almost surely, 2^20045344522 is an apocalyptic number.

20045344522 is a deficient number, since it is larger than the sum of its proper divisors (15181231478).

20045344522 is a wasteful number, since it uses less digits than its factorization.

20045344522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24846.

The product of its (nonzero) digits is 38400, while the sum is 31.

Adding to 20045344522 its reverse (22544354002), we get a palindrome (42589698524).

The spelling of 20045344522 in words is "twenty billion, forty-five million, three hundred forty-four thousand, five hundred twenty-two".