10000020220 has 24 divisors (see below), whose sum is σ = 21094222464. Its totient is φ = 3982069056.

The previous prime is 10000020203. The next prime is 10000020221. The reversal of 10000020220 is 2202000001.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000020221) 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, 1116619 + ... + 1125538.

It is an arithmetic number, because the mean of its divisors is an integer number (878925936).

Almost surely, 2^10000020220 is an apocalyptic number.

10000020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10000020220 is an abundant number, since it is smaller than the sum of its proper divisors (11094202244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10000020220 is a wasteful number, since it uses less digits than its factorization.

10000020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2242389 (or 2242387 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 10000020220 its reverse (2202000001), we get a palindrome (12202020221).

The spelling of 10000020220 in words is "ten billion, twenty thousand, two hundred twenty".