52020205110431 has 4 divisors (see below), whose sum is σ = 52023999726600. Its totient is φ = 52016410494264.

The previous prime is 52020205110403. The next prime is 52020205110443. The reversal of 52020205110431 is 13401150202025.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52020205110431 - 2²² = 52020200916127 is a prime.

It is a super-2 number, since 2×52020205110431² (a number of 28 digits) contains 22 as substring.

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 52020205110431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52020205110331) 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, 1897287521 + ... + 1897314938.

It is an arithmetic number, because the mean of its divisors is an integer number (13005999931650).

Almost surely, 2^{52020205110431} is an apocalyptic number.

52020205110431 is a deficient number, since it is larger than the sum of its proper divisors (3794616169).

52020205110431 is a wasteful number, since it uses less digits than its factorization.

52020205110431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3794616168.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 52020205110431 its reverse (13401150202025), we get a palindrome (65421355312456).

The spelling of 52020205110431 in words is "fifty-two trillion, twenty billion, two hundred five million, one hundred ten thousand, four hundred thirty-one".