20122104394 has 32 divisors (see below), whose sum is σ = 37196208000. Its totient is φ = 7970607360.

The previous prime is 20122104377. The next prime is 20122104397. The reversal of 20122104394 is 49340122102.

It is not an unprimeable number, because it can be changed into a prime (20122104397) 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, 911619 + ... + 933430.

It is an arithmetic number, because the mean of its divisors is an integer number (1162381500).

Almost surely, 2^20122104394 is an apocalyptic number.

20122104394 is a deficient number, since it is larger than the sum of its proper divisors (17074103606).

20122104394 is a wasteful number, since it uses less digits than its factorization.

20122104394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845118.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 20122104394 its reverse (49340122102), we get a palindrome (69462226496).

The spelling of 20122104394 in words is "twenty billion, one hundred twenty-two million, one hundred four thousand, three hundred ninety-four".