20157763650751 has 8 divisors (see below), whose sum is σ = 20346251210064. Its totient is φ = 19969277892480.

The previous prime is 20157763650727. The next prime is 20157763650763. The reversal of 20157763650751 is 15705636775102.

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 20157763650751 - 2¹⁵ = 20157763617983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20157763650692 and 20157763650701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20157763650781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35093701 + ... + 35663473.

It is an arithmetic number, because the mean of its divisors is an integer number (2543281401258).

Almost surely, 2^{20157763650751} is an apocalyptic number.

20157763650751 is a deficient number, since it is larger than the sum of its proper divisors (188487559313).

20157763650751 is a wasteful number, since it uses less digits than its factorization.

20157763650751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900521.

The product of its (nonzero) digits is 9261000, while the sum is 55.

The spelling of 20157763650751 in words is "twenty trillion, one hundred fifty-seven billion, seven hundred sixty-three million, six hundred fifty thousand, seven hundred fifty-one".