22020002010 has 128 divisors (see below), whose sum is σ = 60708130560. Its totient is φ = 5676023808.

The previous prime is 22020001963. The next prime is 22020002041. The reversal of 22020002010 is 1020002022.

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

It is a junction number, because it is equal to n+sod(n) for n = 22020001983 and 22020002001.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1116394 + ... + 1135946.

It is an arithmetic number, because the mean of its divisors is an integer number (474282270).

Almost surely, 2^22020002010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22020002010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30354065280).

22020002010 is an abundant number, since it is smaller than the sum of its proper divisors (38688128550).

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

22020002010 is a wasteful number, since it uses less digits than its factorization.

22020002010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19709 (or 19703 counting only the distinct ones).

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

Adding to 22020002010 its reverse (1020002022), we get a palindrome (23040004032).

The spelling of 22020002010 in words is "twenty-two billion, twenty million, two thousand, ten".