20344524434 has 32 divisors (see below), whose sum is σ = 34113816576. Its totient is φ = 9039309120.

The previous prime is 20344524413. The next prime is 20344524437. The reversal of 20344524434 is 43442544302.

It is a junction number, because it is equal to n+sod(n) for n = 20344524394 and 20344524403.

It is not an unprimeable number, because it can be changed into a prime (20344524437) 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, 61922 + ... + 211005.

It is an arithmetic number, because the mean of its divisors is an integer number (1066056768).

Almost surely, 2^20344524434 is an apocalyptic number.

20344524434 is a deficient number, since it is larger than the sum of its proper divisors (13769292142).

20344524434 is a wasteful number, since it uses less digits than its factorization.

20344524434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273050.

The product of its (nonzero) digits is 184320, while the sum is 35.

The spelling of 20344524434 in words is "twenty billion, three hundred forty-four million, five hundred twenty-four thousand, four hundred thirty-four".