253203143020 has 48 divisors (see below), whose sum is σ = 536441165568. Its totient is φ = 100385138880.

The previous prime is 253203143003. The next prime is 253203143071. The reversal of 253203143020 is 20341302352.

It is a super-2 number, since 2×253203143020² (a number of 24 digits) contains 22 as substring.

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, 2097547 + ... + 2214973.

It is an arithmetic number, because the mean of its divisors is an integer number (11175857616).

Almost surely, 2^253203143020 is an apocalyptic number.

253203143020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253203143020 is an abundant number, since it is smaller than the sum of its proper divisors (283238022548).

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

253203143020 is a wasteful number, since it uses less digits than its factorization.

253203143020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118390 (or 118388 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 253203143020 its reverse (20341302352), we get a palindrome (273544445372).

The spelling of 253203143020 in words is "two hundred fifty-three billion, two hundred three million, one hundred forty-three thousand, twenty".