20003220010 has 16 divisors (see below), whose sum is σ = 36012688776. Its totient is φ = 7999756288.

The previous prime is 20003220001. The next prime is 20003220031. The reversal of 20003220010 is 1002230002.

It can be written as a sum of positive squares in 4 ways, for example, as 17636105601 + 2367114409 = 132801^2 + 48653^2 .

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 7 ways as a sum of consecutive naturals, for example, 135847 + ... + 241786.

Almost surely, 2^20003220010 is an apocalyptic number.

20003220010 is a deficient number, since it is larger than the sum of its proper divisors (16009468766).

20003220010 is a wasteful number, since it uses less digits than its factorization.

20003220010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382937.

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 20003220010 its reverse (1002230002), we get a palindrome (21005450012).

The spelling of 20003220010 in words is "twenty billion, three million, two hundred twenty thousand, ten".