20065195707 has 8 divisors (see below), whose sum is σ = 26933149200. Its totient is φ = 13287019680.

The previous prime is 20065195669. The next prime is 20065195757. The reversal of 20065195707 is 70759156002.

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

It is not a de Polignac number, because 20065195707 - 2¹⁵ = 20065162939 is a prime.

It is a super-2 number, since 2×20065195707² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20065195757) 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, 22443844 + ... + 22444737.

It is an arithmetic number, because the mean of its divisors is an integer number (3366643650).

Almost surely, 2^20065195707 is an apocalyptic number.

20065195707 is a deficient number, since it is larger than the sum of its proper divisors (6867953493).

20065195707 is a wasteful number, since it uses less digits than its factorization.

20065195707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44888733.

The product of its (nonzero) digits is 132300, while the sum is 42.

The spelling of 20065195707 in words is "twenty billion, sixty-five million, one hundred ninety-five thousand, seven hundred seven".