20200020010002 has 192 divisors, whose sum is σ = 52047392866560. Its totient is φ = 5539774464000.

The previous prime is 20200020009971. The next prime is 20200020010003. The reversal of 20200020010002 is 20001002000202.

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

It is not an unprimeable number, because it can be changed into a prime (20200020010003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1129051477 + ... + 1129069367.

It is an arithmetic number, because the mean of its divisors is an integer number (271080171180).

Almost surely, 2^{20200020010002} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20200020010002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26023696433280).

20200020010002 is an abundant number, since it is smaller than the sum of its proper divisors (31847372856558).

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

20200020010002 is a wasteful number, since it uses less digits than its factorization.

20200020010002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19729 (or 19726 counting only the distinct ones).

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

Adding to 20200020010002 its reverse (20001002000202), we get a palindrome (40201022010204).

It can be divided in two parts, 202000200 and 10002, that added together give a palindrome (202010202).

The spelling of 20200020010002 in words is "twenty trillion, two hundred billion, twenty million, ten thousand, two".