20122041442 has 16 divisors (see below), whose sum is σ = 31433427000. Its totient is φ = 9648889600.

The previous prime is 20122041439. The next prime is 20122041451. The reversal of 20122041442 is 24414022102.

It can be written as a sum of positive squares in 4 ways, for example, as 10633528161 + 9488513281 = 103119^2 + 97409^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1155559 + ... + 1172842.

Almost surely, 2^20122041442 is an apocalyptic number.

20122041442 is a deficient number, since it is larger than the sum of its proper divisors (11311385558).

20122041442 is a wasteful number, since it uses less digits than its factorization.

20122041442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2328581.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 20122041442 its reverse (24414022102), we get a palindrome (44536063544).

The spelling of 20122041442 in words is "twenty billion, one hundred twenty-two million, forty-one thousand, four hundred forty-two".