20750156041 has 4 divisors (see below), whose sum is σ = 20901617172. Its totient is φ = 20598694912.

The previous prime is 20750156039. The next prime is 20750156051. The reversal of 20750156041 is 14065105702.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9740900416 + 11009255625 = 98696^2 + 104925^2 .

It is a cyclic number.

It is not a de Polignac number, because 20750156041 - 2¹ = 20750156039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20750155994 and 20750156012.

It is not an unprimeable number, because it can be changed into a prime (20750156051) 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, 75730360 + ... + 75730633.

It is an arithmetic number, because the mean of its divisors is an integer number (5225404293).

Almost surely, 2^20750156041 is an apocalyptic number.

It is an amenable number.

20750156041 is a deficient number, since it is larger than the sum of its proper divisors (151461131).

20750156041 is a wasteful number, since it uses less digits than its factorization.

20750156041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151461130.

The product of its (nonzero) digits is 8400, while the sum is 31.

The spelling of 20750156041 in words is "twenty billion, seven hundred fifty million, one hundred fifty-six thousand, forty-one".