20334013400 has 48 divisors (see below), whose sum is σ = 47355786000. Its totient is φ = 8119978880.

The previous prime is 20334013393. The next prime is 20334013409. The reversal of 20334013400 is 431043302.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20334013409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34934 + ... + 204666.

It is an arithmetic number, because the mean of its divisors is an integer number (986578875).

Almost surely, 2^20334013400 is an apocalyptic number.

20334013400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20334013400 is an abundant number, since it is smaller than the sum of its proper divisors (27021772600).

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

20334013400 is a wasteful number, since it uses less digits than its factorization.

20334013400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170348 (or 170339 counting only the distinct ones).

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

Adding to 20334013400 its reverse (431043302), we get a palindrome (20765056702).

The spelling of 20334013400 in words is "twenty billion, three hundred thirty-four million, thirteen thousand, four hundred".