220020521012 has 12 divisors (see below), whose sum is σ = 385055734560. Its totient is φ = 110004596856.

The previous prime is 220020520939. The next prime is 220020521027. The reversal of 220020521012 is 210125020022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1327898 + ... + 1484369.

It is an arithmetic number, because the mean of its divisors is an integer number (32087977880).

Almost surely, 2^220020521012 is an apocalyptic number.

It is an amenable number.

220020521012 is a deficient number, since it is larger than the sum of its proper divisors (165035213548).

220020521012 is a wasteful number, since it uses less digits than its factorization.

220020521012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831830 (or 2831828 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 220020521012 its reverse (210125020022), we get a palindrome (430145541034).

The spelling of 220020521012 in words is "two hundred twenty billion, twenty million, five hundred twenty-one thousand, twelve".