252261127020 has 96 divisors (see below), whose sum is σ = 818605218816. Its totient is φ = 56847571200.

The previous prime is 252261126947. The next prime is 252261127039. The reversal of 252261127020 is 20721162252.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 4199911 + ... + 4259550.

It is an arithmetic number, because the mean of its divisors is an integer number (8527137696).

Almost surely, 2^252261127020 is an apocalyptic number.

252261127020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252261127020 is an abundant number, since it is smaller than the sum of its proper divisors (566344091796).

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

252261127020 is a wasteful number, since it uses less digits than its factorization.

252261127020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8459551 (or 8459549 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

Adding to 252261127020 its reverse (20721162252), we get a palindrome (272982289272).

The spelling of 252261127020 in words is "two hundred fifty-two billion, two hundred sixty-one million, one hundred twenty-seven thousand, twenty".