20022010002 has 128 divisors (see below), whose sum is σ = 48161433600. Its totient is φ = 6146699328.

The previous prime is 20022009937. The next prime is 20022010013. The reversal of 20022010002 is 20001022002.

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

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, 21142093 + ... + 21143039.

It is an arithmetic number, because the mean of its divisors is an integer number (376261200).

Almost surely, 2^20022010002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20022010002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24080716800).

20022010002 is an abundant number, since it is smaller than the sum of its proper divisors (28139423598).

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

20022010002 is a wasteful number, since it uses less digits than its factorization.

20022010002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1597 (or 1591 counting only the distinct ones).

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

Adding to 20022010002 its reverse (20001022002), we get a palindrome (40023032004).

The spelling of 20022010002 in words is "twenty billion, twenty-two million, ten thousand, two".