20523341701 has 4 divisors (see below), whose sum is σ = 21603517600. Its totient is φ = 19443165804.

The previous prime is 20523341651. The next prime is 20523341717. The reversal of 20523341701 is 10714332502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20523341701 - 2¹⁵ = 20523308933 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20523341701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20523345701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540087921 + ... + 540087958.

It is an arithmetic number, because the mean of its divisors is an integer number (5400879400).

Almost surely, 2^20523341701 is an apocalyptic number.

It is an amenable number.

20523341701 is a deficient number, since it is larger than the sum of its proper divisors (1080175899).

20523341701 is a wasteful number, since it uses less digits than its factorization.

20523341701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080175898.

The product of its (nonzero) digits is 5040, while the sum is 28.

The spelling of 20523341701 in words is "twenty billion, five hundred twenty-three million, three hundred forty-one thousand, seven hundred one".