20253134424 has 32 divisors (see below), whose sum is σ = 50647403520. Its totient is φ = 6749102496.

The previous prime is 20253134411. The next prime is 20253134477. The reversal of 20253134424 is 42443135202.

It is a super-2 number, since 2×20253134424² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20253134391 and 20253134400.

It is a congruent number.

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, 34984 + ... + 204279.

It is an arithmetic number, because the mean of its divisors is an integer number (1582731360).

Almost surely, 2^20253134424 is an apocalyptic number.

20253134424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20253134424 is an abundant number, since it is smaller than the sum of its proper divisors (30394269096).

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

20253134424 is a wasteful number, since it uses less digits than its factorization.

20253134424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242799 (or 242795 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 20253134424 its reverse (42443135202), we get a palindrome (62696269626).

The spelling of 20253134424 in words is "twenty billion, two hundred fifty-three million, one hundred thirty-four thousand, four hundred twenty-four".