20015300252552 has 16 divisors (see below), whose sum is σ = 40940386880400. Its totient is φ = 9097863751120.

The previous prime is 20015300252539. The next prime is 20015300252557. The reversal of 20015300252552 is 25525200351002.

It is a super-2 number, since 2×20015300252552² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20015300252557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113723296802 + ... + 113723296977.

It is an arithmetic number, because the mean of its divisors is an integer number (2558774180025).

Almost surely, 2^{20015300252552} is an apocalyptic number.

20015300252552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20015300252552 is an abundant number, since it is smaller than the sum of its proper divisors (20925086627848).

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

20015300252552 is a wasteful number, since it uses less digits than its factorization.

20015300252552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227446593796 (or 227446593792 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

The spelling of 20015300252552 in words is "twenty trillion, fifteen billion, three hundred million, two hundred fifty-two thousand, five hundred fifty-two".