20352017051 has 8 divisors (see below), whose sum is σ = 20612222400. Its totient is φ = 20091876480.

The previous prime is 20352017047. The next prime is 20352017057. The reversal of 20352017051 is 15071025302.

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 20352017051 - 2² = 20352017047 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 20352017051.

It is not an unprimeable number, because it can be changed into a prime (20352017057) 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 7 ways as a sum of consecutive naturals, for example, 1122365 + ... + 1140353.

It is an arithmetic number, because the mean of its divisors is an integer number (2576527800).

Almost surely, 2^20352017051 is an apocalyptic number.

20352017051 is a deficient number, since it is larger than the sum of its proper divisors (260205349).

20352017051 is a wasteful number, since it uses less digits than its factorization.

20352017051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32389.

The product of its (nonzero) digits is 2100, while the sum is 26.

The spelling of 20352017051 in words is "twenty billion, three hundred fifty-two million, seventeen thousand, fifty-one".