20734113 has 4 divisors (see below), whose sum is σ = 27645488. Its totient is φ = 13822740.

The previous prime is 20734099. The next prime is 20734121. The reversal of 20734113 is 31143702.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20734113 - 2⁵ = 20734081 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20734113.

It is not an unprimeable number, because it can be changed into a prime (20734013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3455683 + ... + 3455688.

It is an arithmetic number, because the mean of its divisors is an integer number (6911372).

Almost surely, 2^20734113 is an apocalyptic number.

It is an amenable number.

20734113 is a deficient number, since it is larger than the sum of its proper divisors (6911375).

20734113 is an equidigital number, since it uses as much as digits as its factorization.

20734113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6911374.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 20734113 is about 4553.4726308610. The cubic root of 20734113 is about 274.7230843343.

Adding to 20734113 its reverse (31143702), we get a palindrome (51877815).

The spelling of 20734113 in words is "twenty million, seven hundred thirty-four thousand, one hundred thirteen".