20434823080 has 32 divisors (see below), whose sum is σ = 52546688640. Its totient is φ = 7006224960.

The previous prime is 20434823051. The next prime is 20434823083. The reversal of 20434823080 is 8032843402.

It is not an unprimeable number, because it can be changed into a prime (20434823083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36490476 + ... + 36491035.

It is an arithmetic number, because the mean of its divisors is an integer number (1642084020).

Almost surely, 2^20434823080 is an apocalyptic number.

20434823080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20434823080 is an abundant number, since it is smaller than the sum of its proper divisors (32111865560).

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

20434823080 is a wasteful number, since it uses less digits than its factorization.

20434823080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72981529 (or 72981525 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 34.

The spelling of 20434823080 in words is "twenty billion, four hundred thirty-four million, eight hundred twenty-three thousand, eighty".