220021002010 has 64 divisors (see below), whose sum is σ = 403961644800. Its totient is φ = 86267602432.

The previous prime is 220021002001. The next prime is 220021002043. The reversal of 220021002010 is 10200120022.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62274204 + ... + 62277736.

It is an arithmetic number, because the mean of its divisors is an integer number (6311900700).

Almost surely, 2^220021002010 is an apocalyptic number.

220021002010 is a deficient number, since it is larger than the sum of its proper divisors (183940642790).

220021002010 is a wasteful number, since it uses less digits than its factorization.

220021002010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4215.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 220021002010 its reverse (10200120022), we get a palindrome (230221122032).

The spelling of 220021002010 in words is "two hundred twenty billion, twenty-one million, two thousand, ten".