134200020 has 24 divisors (see below), whose sum is σ = 375760224. Its totient is φ = 35786656.

The previous prime is 134200007. The next prime is 134200069. The reversal of 134200020 is 20002431.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 134199969 and 134200005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1118274 + ... + 1118393.

It is an arithmetic number, because the mean of its divisors is an integer number (15656676).

Almost surely, 2^134200020 is an apocalyptic number.

134200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134200020 is an abundant number, since it is smaller than the sum of its proper divisors (241560204).

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

134200020 is a wasteful number, since it uses less digits than its factorization.

134200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2236679 (or 2236677 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 134200020 is about 11584.4732292841. The cubic root of 134200020 is about 511.9774821233.

Adding to 134200020 its reverse (20002431), we get a palindrome (154202451).

The spelling of 134200020 in words is "one hundred thirty-four million, two hundred thousand, twenty".