20340134300 has 36 divisors (see below), whose sum is σ = 44408912856. Its totient is φ = 8086132800.

The previous prime is 20340134299. The next prime is 20340134323. The reversal of 20340134300 is 343104302.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 607631 + ... + 640230.

Almost surely, 2^20340134300 is an apocalyptic number.

20340134300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20340134300 is an abundant number, since it is smaller than the sum of its proper divisors (24068778556).

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

20340134300 is a wasteful number, since it uses less digits than its factorization.

20340134300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248038 (or 1248031 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20340134300 its reverse (343104302), we get a palindrome (20683238602).

The spelling of 20340134300 in words is "twenty billion, three hundred forty million, one hundred thirty-four thousand, three hundred".