20200145012695 has 8 divisors (see below), whose sum is σ = 25294094624736. Its totient is φ = 15457502270496.

The previous prime is 20200145012651. The next prime is 20200145012717. The reversal of 20200145012695 is 59621054100202.

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-20200145012695 is a prime.

It is a super-2 number, since 2×20200145012695² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87826717332 + ... + 87826717561.

It is an arithmetic number, because the mean of its divisors is an integer number (3161761828092).

Almost surely, 2^{20200145012695} is an apocalyptic number.

20200145012695 is a deficient number, since it is larger than the sum of its proper divisors (5093949612041).

20200145012695 is a wasteful number, since it uses less digits than its factorization.

20200145012695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175653434921.

The product of its (nonzero) digits is 43200, while the sum is 37.

Adding to 20200145012695 its reverse (59621054100202), we get a palindrome (79821199112897).

The spelling of 20200145012695 in words is "twenty trillion, two hundred billion, one hundred forty-five million, twelve thousand, six hundred ninety-five".