20300505252 has 24 divisors (see below), whose sum is σ = 47827730496. Its totient is φ = 6701137248.

The previous prime is 20300505241. The next prime is 20300505263. The reversal of 20300505252 is 25250500302.

It is an interprime number because it is at equal distance from previous prime (20300505241) and next prime (20300505263).

It is a super-2 number, since 2×20300505252² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8210943 + ... + 8213414.

It is an arithmetic number, because the mean of its divisors is an integer number (1992822104).

Almost surely, 2^20300505252 is an apocalyptic number.

It is an amenable number.

20300505252 is an abundant number, since it is smaller than the sum of its proper divisors (27527225244).

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

20300505252 is a wasteful number, since it uses less digits than its factorization.

20300505252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16424467 (or 16424465 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

It can be divided in two parts, 2030050 and 5252, that added together give a palindrome (2035302).

The spelling of 20300505252 in words is "twenty billion, three hundred million, five hundred five thousand, two hundred fifty-two".