21020013030010 has 32 divisors (see below), whose sum is σ = 37935597024000. Its totient is φ = 8385885413760.

The previous prime is 21020013030007. The next prime is 21020013030059. The reversal of 21020013030010 is 1003031002012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21605955 + ... + 22557865.

It is an arithmetic number, because the mean of its divisors is an integer number (1185487407000).

Almost surely, 2^{21020013030010} is an apocalyptic number.

21020013030010 is a deficient number, since it is larger than the sum of its proper divisors (16915583993990).

21020013030010 is a wasteful number, since it uses less digits than its factorization.

21020013030010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957726.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 21020013030010 its reverse (1003031002012), we get a palindrome (22023044032022).

The spelling of 21020013030010 in words is "twenty-one trillion, twenty billion, thirteen million, thirty thousand, ten".