5203523920 has 80 divisors (see below), whose sum is σ = 14554247040. Its totient is φ = 1690163712.

The previous prime is 5203523891. The next prime is 5203523947. The reversal of 5203523920 is 293253025.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×5203523920² = 54153322372024332800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233887 + ... + 255166.

It is an arithmetic number, because the mean of its divisors is an integer number (181928088).

Almost surely, 2^5203523920 is an apocalyptic number.

It is an amenable number.

5203523920 is an abundant number, since it is smaller than the sum of its proper divisors (9350723120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5203523920 is a wasteful number, since it uses less digits than its factorization.

5203523920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489092 (or 489086 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 5203523920 is about 72135.4553600378. The cubic root of 5203523920 is about 1732.8694758124.

Adding to 5203523920 its reverse (293253025), we get a palindrome (5496776945).

The spelling of 5203523920 in words is "five billion, two hundred three million, five hundred twenty-three thousand, nine hundred twenty".