20224134420 has 48 divisors (see below), whose sum is σ = 64717231488. Its totient is φ = 4622659200.

The previous prime is 20224134419. The next prime is 20224134421. The reversal of 20224134420 is 2443142202.

It is an interprime number because it is at equal distance from previous prime (20224134419) and next prime (20224134421).

It is a super-2 number, since 2×20224134420² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20224134421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24075931 + ... + 24076770.

It is an arithmetic number, because the mean of its divisors is an integer number (1348275656).

Almost surely, 2^20224134420 is an apocalyptic number.

20224134420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20224134420 is an abundant number, since it is smaller than the sum of its proper divisors (44493097068).

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

20224134420 is a wasteful number, since it uses less digits than its factorization.

20224134420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48152720 (or 48152718 counting only the distinct ones).

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

Adding to 20224134420 its reverse (2443142202), we get a palindrome (22667276622).

The spelling of 20224134420 in words is "twenty billion, two hundred twenty-four million, one hundred thirty-four thousand, four hundred twenty".