220021003730 has 16 divisors (see below), whose sum is σ = 432041243904. Its totient is φ = 80007637680.

The previous prime is 220021003687. The next prime is 220021003799. The reversal of 220021003730 is 37300120022.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1000095362 + ... + 1000095581.

It is an arithmetic number, because the mean of its divisors is an integer number (27002577744).

Almost surely, 2^220021003730 is an apocalyptic number.

220021003730 is a deficient number, since it is larger than the sum of its proper divisors (212020240174).

220021003730 is a wasteful number, since it uses less digits than its factorization.

220021003730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000190961.

The product of its (nonzero) digits is 504, while the sum is 20.

Adding to 220021003730 its reverse (37300120022), we get a palindrome (257321123752).

The spelling of 220021003730 in words is "two hundred twenty billion, twenty-one million, three thousand, seven hundred thirty".