20310134 has 16 divisors (see below), whose sum is σ = 32895072. Its totient is φ = 9349248.

The previous prime is 20310131. The next prime is 20310137. The reversal of 20310134 is 43101302.

It is an interprime number because it is at equal distance from previous prime (20310131) and next prime (20310137).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20310131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12302 + ... + 13854.

It is an arithmetic number, because the mean of its divisors is an integer number (2055942).

Almost surely, 2^20310134 is an apocalyptic number.

20310134 is a deficient number, since it is larger than the sum of its proper divisors (12584938).

20310134 is a wasteful number, since it uses less digits than its factorization.

20310134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2071.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 20310134 is about 4506.6766025531. The cubic root of 20310134 is about 272.8376265670.

Adding to 20310134 its reverse (43101302), we get a palindrome (63411436).

The spelling of 20310134 in words is "twenty million, three hundred ten thousand, one hundred thirty-four".