252322011020 has 24 divisors (see below), whose sum is σ = 529885666464. Its totient is φ = 100927005696.

The previous prime is 252322011001. The next prime is 252322011023. The reversal of 252322011020 is 20110223252.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 252322010983 and 252322011001.

It is not an unprimeable number, because it can be changed into a prime (252322011023) 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, 2095697 + ... + 2212823.

It is an arithmetic number, because the mean of its divisors is an integer number (22078569436).

Almost surely, 2^252322011020 is an apocalyptic number.

252322011020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252322011020 is an abundant number, since it is smaller than the sum of its proper divisors (277563655444).

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

252322011020 is a wasteful number, since it uses less digits than its factorization.

252322011020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224849 (or 224847 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 252322011020 its reverse (20110223252), we get a palindrome (272432234272).

The spelling of 252322011020 in words is "two hundred fifty-two billion, three hundred twenty-two million, eleven thousand, twenty".