20867100530 has 32 divisors (see below), whose sum is σ = 39229807680. Its totient is φ = 7983593280.

The previous prime is 20867100523. The next prime is 20867100533. The reversal of 20867100530 is 3500176802.

It is a happy number.

20867100530 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (20867100533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456116 + ... + 499775.

It is an arithmetic number, because the mean of its divisors is an integer number (1225931490).

Almost surely, 2^20867100530 is an apocalyptic number.

20867100530 is a deficient number, since it is larger than the sum of its proper divisors (18362707150).

20867100530 is a wasteful number, since it uses less digits than its factorization.

20867100530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955994.

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 20867100530 in words is "twenty billion, eight hundred sixty-seven million, one hundred thousand, five hundred thirty".