525162120020 has 24 divisors (see below), whose sum is σ = 1160884687200. Its totient is φ = 199008803232.

The previous prime is 525162120017. The next prime is 525162120023. The reversal of 525162120020 is 20021261525.

It is an interprime number because it is at equal distance from previous prime (525162120017) and next prime (525162120023).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525162120023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 691002410 + ... + 691003169.

It is an arithmetic number, because the mean of its divisors is an integer number (48370195300).

Almost surely, 2^525162120020 is an apocalyptic number.

It is an amenable number.

525162120020 is an abundant number, since it is smaller than the sum of its proper divisors (635722567180).

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

525162120020 is a wasteful number, since it uses less digits than its factorization.

525162120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382005607 (or 1382005605 counting only the distinct ones).

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

Adding to 525162120020 its reverse (20021261525), we get a palindrome (545183381545).

The spelling of 525162120020 in words is "five hundred twenty-five billion, one hundred sixty-two million, one hundred twenty thousand, twenty".