10020220002 has 96 divisors (see below), whose sum is σ = 24793252848. Its totient is φ = 2897399808.

The previous prime is 10020219991. The next prime is 10020220061. The reversal of 10020220002 is 20002202001.

It can be written as a sum of positive squares in 8 ways, for example, as 3540131001 + 6480089001 = 59499^2 + 80499^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3391758 + ... + 3394710.

Almost surely, 2^10020220002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10020220002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12396626424).

10020220002 is an abundant number, since it is smaller than the sum of its proper divisors (14773032846).

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

10020220002 is a wasteful number, since it uses less digits than its factorization.

10020220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3844 (or 3841 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 10020220002 its reverse (20002202001), we get a palindrome (30022422003).

The spelling of 10020220002 in words is "ten billion, twenty million, two hundred twenty thousand, two".