20387210010 has 32 divisors (see below), whose sum is σ = 48945771072. Its totient is φ = 5434759680.

The previous prime is 20387210003. The next prime is 20387210057. The reversal of 20387210010 is 1001278302.

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 in 15 ways as a sum of consecutive naturals, for example, 22519 + ... + 203178.

It is an arithmetic number, because the mean of its divisors is an integer number (1529555346).

Almost surely, 2^20387210010 is an apocalyptic number.

20387210010 is an abundant number, since it is smaller than the sum of its proper divisors (28558561062).

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

20387210010 is a wasteful number, since it uses less digits than its factorization.

20387210010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228718.

The product of its (nonzero) digits is 672, while the sum is 24.

Adding to 20387210010 its reverse (1001278302), we get a palindrome (21388488312).

The spelling of 20387210010 in words is "twenty billion, three hundred eighty-seven million, two hundred ten thousand, ten".