20134000 has 40 divisors (see below), whose sum is σ = 48688848. Its totient is φ = 8052800.

The previous prime is 20133989. The next prime is 20134003. The reversal of 20134000 is 43102.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20134003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3034 + ... + 7033.

Almost surely, 2^20134000 is an apocalyptic number.

20134000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20134000 is an abundant number, since it is smaller than the sum of its proper divisors (28554848).

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

20134000 is a wasteful number, since it uses less digits than its factorization.

20134000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10090 (or 10074 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 20134000 is about 4487.0925998914. The cubic root of 20134000 is about 272.0466327198.

Adding to 20134000 its reverse (43102), we get a palindrome (20177102).

The spelling of 20134000 in words is "twenty million, one hundred thirty-four thousand".