22050052420 has 96 divisors (see below), whose sum is σ = 51676692480. Its totient is φ = 7835667840.

The previous prime is 22050052417. The next prime is 22050052433. The reversal of 22050052420 is 2425005022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 22050052391 and 22050052400.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1866091 + ... + 1877869.

It is an arithmetic number, because the mean of its divisors is an integer number (538298880).

Almost surely, 2^22050052420 is an apocalyptic number.

22050052420 is a gapful number since it is divisible by the number (20) 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 22050052420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25838346240).

22050052420 is an abundant number, since it is smaller than the sum of its proper divisors (29626640060).

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

22050052420 is a wasteful number, since it uses less digits than its factorization.

22050052420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11993 (or 11991 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

Adding to 22050052420 its reverse (2425005022), we get a palindrome (24475057442).

The spelling of 22050052420 in words is "twenty-two billion, fifty million, fifty-two thousand, four hundred twenty".