12204423020 has 24 divisors (see below), whose sum is σ = 25631369568. Its totient is φ = 4881372800.

The previous prime is 12204422999. The next prime is 12204423031. The reversal of 12204423020 is 2032440221.

It is a super-2 number, since 2×12204423020² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12204422983 and 12204423001.

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, 444080 + ... + 470760.

It is an arithmetic number, because the mean of its divisors is an integer number (1067973732).

Almost surely, 2^12204423020 is an apocalyptic number.

12204423020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12204423020 is an abundant number, since it is smaller than the sum of its proper divisors (13426946548).

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

12204423020 is a wasteful number, since it uses less digits than its factorization.

12204423020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49561 (or 49559 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 12204423020 its reverse (2032440221), we get a palindrome (14236863241).

The spelling of 12204423020 in words is "twelve billion, two hundred four million, four hundred twenty-three thousand, twenty".