20515060112 has 10 divisors (see below), whose sum is σ = 39747928998. Its totient is φ = 10257530048.

The previous prime is 20515060021. The next prime is 20515060141. The reversal of 20515060112 is 21106051502.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13661869456 + 6853190656 = 116884^2 + 82784^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641095613 + ... + 641095644.

Almost surely, 2^20515060112 is an apocalyptic number.

It is an amenable number.

20515060112 is a deficient number, since it is larger than the sum of its proper divisors (19232868886).

20515060112 is a wasteful number, since it uses less digits than its factorization.

20515060112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282191265 (or 1282191259 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

The spelling of 20515060112 in words is "twenty billion, five hundred fifteen million, sixty thousand, one hundred twelve".