20442104324 has 6 divisors (see below), whose sum is σ = 35773682574. Its totient is φ = 10221052160.

The previous prime is 20442104323. The next prime is 20442104383. The reversal of 20442104324 is 42340124402.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13359198724 + 7082905600 = 115582^2 + 84160^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20442104293 and 20442104302.

It is not an unprimeable number, because it can be changed into a prime (20442104323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2555263037 + ... + 2555263044.

It is an arithmetic number, because the mean of its divisors is an integer number (5962280429).

Almost surely, 2^20442104324 is an apocalyptic number.

It is an amenable number.

20442104324 is a deficient number, since it is larger than the sum of its proper divisors (15331578250).

20442104324 is a wasteful number, since it uses less digits than its factorization.

20442104324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5110526085 (or 5110526083 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 20442104324 its reverse (42340124402), we get a palindrome (62782228726).

The spelling of 20442104324 in words is "twenty billion, four hundred forty-two million, one hundred four thousand, three hundred twenty-four".