20043515122 has 16 divisors (see below), whose sum is σ = 30517879392. Its totient is φ = 9871606080.

The previous prime is 20043515087. The next prime is 20043515123. The reversal of 20043515122 is 22151534002.

It is not an unprimeable number, because it can be changed into a prime (20043515123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123204 + ... + 235087.

It is an arithmetic number, because the mean of its divisors is an integer number (1907367462).

Almost surely, 2^20043515122 is an apocalyptic number.

20043515122 is a deficient number, since it is larger than the sum of its proper divisors (10474364270).

20043515122 is a wasteful number, since it uses less digits than its factorization.

20043515122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358713.

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 20043515122 in words is "twenty billion, forty-three million, five hundred fifteen thousand, one hundred twenty-two".