20357365201 has 4 divisors (see below), whose sum is σ = 20365347904. Its totient is φ = 20349382500.

The previous prime is 20357365129. The next prime is 20357365213. The reversal of 20357365201 is 10256375302.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10256375302 = 2 ⋅5128187651.

It is a cyclic number.

It is not a de Polignac number, because 20357365201 - 2⁹ = 20357364689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20357365901) 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, 3987525 + ... + 3992626.

It is an arithmetic number, because the mean of its divisors is an integer number (5091336976).

Almost surely, 2^20357365201 is an apocalyptic number.

It is an amenable number.

20357365201 is a deficient number, since it is larger than the sum of its proper divisors (7982703).

20357365201 is an equidigital number, since it uses as much as digits as its factorization.

20357365201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7982702.

The product of its (nonzero) digits is 37800, while the sum is 34.

The spelling of 20357365201 in words is "twenty billion, three hundred fifty-seven million, three hundred sixty-five thousand, two hundred one".