20212200010 has 16 divisors (see below), whose sum is σ = 36517213800. Its totient is φ = 8054823616.

The previous prime is 20212199957. The next prime is 20212200017. The reversal of 20212200010 is 1000221202.

It can be written as a sum of positive squares in 4 ways, for example, as 15092368201 + 5119831809 = 122851^2 + 71553^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 20212200010.

It is not an unprimeable number, because it can be changed into a prime (20212200017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3754225 + ... + 3759604.

Almost surely, 2^20212200010 is an apocalyptic number.

20212200010 is a deficient number, since it is larger than the sum of its proper divisors (16305013790).

20212200010 is a wasteful number, since it uses less digits than its factorization.

20212200010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7514105.

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

Adding to 20212200010 its reverse (1000221202), we get a palindrome (21212421212).

The spelling of 20212200010 in words is "twenty billion, two hundred twelve million, two hundred thousand, ten".