20343031224 has 16 divisors (see below), whose sum is σ = 50857578120. Its totient is φ = 6781010400.

The previous prime is 20343031139. The next prime is 20343031229. The reversal of 20343031224 is 42213034302.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 847626301 = 20343031224 / (2 + 0 + 3 + 4 + 3 + 0 + 3 + 1 + 2 + 2 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 20343031194 and 20343031203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20343031229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423813127 + ... + 423813174.

Almost surely, 2^20343031224 is an apocalyptic number.

20343031224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20343031224 is an abundant number, since it is smaller than the sum of its proper divisors (30514546896).

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

20343031224 is a wasteful number, since it uses less digits than its factorization.

20343031224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847626310 (or 847626306 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 20343031224 its reverse (42213034302), we get a palindrome (62556065526).

The spelling of 20343031224 in words is "twenty billion, three hundred forty-three million, thirty-one thousand, two hundred twenty-four".