20422324104 has 128 divisors (see below), whose sum is σ = 62928579840. Its totient is φ = 5378337792.

The previous prime is 20422324103. The next prime is 20422324121. The reversal of 20422324104 is 40142322402.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (20422324103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1594494 + ... + 1607250.

It is an arithmetic number, because the mean of its divisors is an integer number (491629530).

Almost surely, 2^20422324104 is an apocalyptic number.

20422324104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20422324104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31464289920).

20422324104 is an abundant number, since it is smaller than the sum of its proper divisors (42506255736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20422324104 is a wasteful number, since it uses less digits than its factorization.

20422324104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13519 (or 13515 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 20422324104 its reverse (40142322402), we get a palindrome (60564646506).

The spelling of 20422324104 in words is "twenty billion, four hundred twenty-two million, three hundred twenty-four thousand, one hundred four".