20307141705 has 8 divisors (see below), whose sum is σ = 32491426752. Its totient is φ = 10830475568.

The previous prime is 20307141683. The next prime is 20307141731. The reversal of 20307141705 is 50714170302.

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

It is a cyclic number.

It is not a de Polignac number, because 20307141705 - 2³¹ = 18159658057 is a prime.

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, 676904709 + ... + 676904738.

It is an arithmetic number, because the mean of its divisors is an integer number (4061428344).

Almost surely, 2^20307141705 is an apocalyptic number.

It is an amenable number.

20307141705 is a deficient number, since it is larger than the sum of its proper divisors (12184285047).

20307141705 is a wasteful number, since it uses less digits than its factorization.

20307141705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353809455.

The product of its (nonzero) digits is 5880, while the sum is 30.

The spelling of 20307141705 in words is "twenty billion, three hundred seven million, one hundred forty-one thousand, seven hundred five".