20146120313 has 4 divisors (see below), whose sum is σ = 21977585808. Its totient is φ = 18314654820.

The previous prime is 20146120307. The next prime is 20146120327. The reversal of 20146120313 is 31302164102.

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 20146120313 - 2⁴ = 20146120297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20146120013) 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, 915732731 + ... + 915732752.

It is an arithmetic number, because the mean of its divisors is an integer number (5494396452).

Almost surely, 2^20146120313 is an apocalyptic number.

It is an amenable number.

20146120313 is a deficient number, since it is larger than the sum of its proper divisors (1831465495).

20146120313 is a wasteful number, since it uses less digits than its factorization.

20146120313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1831465494.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 20146120313 its reverse (31302164102), we get a palindrome (51448284415).

The spelling of 20146120313 in words is "twenty billion, one hundred forty-six million, one hundred twenty thousand, three hundred thirteen".