20357224265 has 32 divisors (see below), whose sum is σ = 28623732480. Its totient is φ = 13607193600.

The previous prime is 20357224253. The next prime is 20357224297. The reversal of 20357224265 is 56242275302.

It is a happy number.

It is not a de Polignac number, because 20357224265 - 2⁶ = 20357224201 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1890266 + ... + 1901004.

It is an arithmetic number, because the mean of its divisors is an integer number (894491640).

Almost surely, 2^20357224265 is an apocalyptic number.

It is an amenable number.

20357224265 is a deficient number, since it is larger than the sum of its proper divisors (8266508215).

20357224265 is a wasteful number, since it uses less digits than its factorization.

20357224265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12113.

The product of its (nonzero) digits is 201600, while the sum is 38.

Adding to 20357224265 its reverse (56242275302), we get a palindrome (76599499567).

The spelling of 20357224265 in words is "twenty billion, three hundred fifty-seven million, two hundred twenty-four thousand, two hundred sixty-five".