20015503433252 has 24 divisors (see below), whose sum is σ = 35190834228480. Its totient is φ = 9961078992480.

The previous prime is 20015503433183. The next prime is 20015503433291. The reversal of 20015503433252 is 25233430551002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11648927 + ... + 13256262.

It is an arithmetic number, because the mean of its divisors is an integer number (1466284759520).

Almost surely, 2^{20015503433252} is an apocalyptic number.

It is an amenable number.

20015503433252 is a deficient number, since it is larger than the sum of its proper divisors (15175330795228).

20015503433252 is a wasteful number, since it uses less digits than its factorization.

20015503433252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24906131 (or 24906129 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 20015503433252 its reverse (25233430551002), we get a palindrome (45248933984254).

The spelling of 20015503433252 in words is "twenty trillion, fifteen billion, five hundred three million, four hundred thirty-three thousand, two hundred fifty-two".