22420420032 has 28 divisors (see below), whose sum is σ = 59320695176. Its totient is φ = 7473473280.

The previous prime is 22420420027. The next prime is 22420420051. The reversal of 22420420032 is 23002402422.

It is a super-2 number, since 2×22420420032² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22420419990 and 22420420008.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58386319 + ... + 58386702.

Almost surely, 2^22420420032 is an apocalyptic number.

It is an amenable number.

22420420032 is an abundant number, since it is smaller than the sum of its proper divisors (36900275144).

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

22420420032 is a wasteful number, since it uses less digits than its factorization.

22420420032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116773036 (or 116773026 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 22420420032 its reverse (23002402422), we get a palindrome (45422822454).

The spelling of 22420420032 in words is "twenty-two billion, four hundred twenty million, four hundred twenty thousand, thirty-two".