20342434300 has 36 divisors (see below), whose sum is σ = 44149814856. Its totient is φ = 8135732800.

The previous prime is 20342434291. The next prime is 20342434313. The reversal of 20342434300 is 343424302.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 930495 + ... + 952105.

It is an arithmetic number, because the mean of its divisors is an integer number (1226383746).

Almost surely, 2^20342434300 is an apocalyptic number.

20342434300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20342434300 is an abundant number, since it is smaller than the sum of its proper divisors (23807380556).

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

20342434300 is a wasteful number, since it uses less digits than its factorization.

20342434300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31038 (or 31031 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 20342434300 its reverse (343424302), we get a palindrome (20685858602).

The spelling of 20342434300 in words is "twenty billion, three hundred forty-two million, four hundred thirty-four thousand, three hundred".