20146131155707 has 8 divisors (see below), whose sum is σ = 22066756236000. Its totient is φ = 18307234802304.

The previous prime is 20146131155681. The next prime is 20146131155737. The reversal of 20146131155707 is 70755113164102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20146131155707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20146131155737) 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, 20432181207 + ... + 20432182192.

It is an arithmetic number, because the mean of its divisors is an integer number (2758344529500).

Almost surely, 2^{20146131155707} is an apocalyptic number.

20146131155707 is a deficient number, since it is larger than the sum of its proper divisors (1920625080293).

20146131155707 is a wasteful number, since it uses less digits than its factorization.

20146131155707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40864363445.

The product of its (nonzero) digits is 176400, while the sum is 43.

The spelling of 20146131155707 in words is "twenty trillion, one hundred forty-six billion, one hundred thirty-one million, one hundred fifty-five thousand, seven hundred seven".