20011002202000 has 160 divisors (see below), whose sum is σ = 50875806668544. Its totient is φ = 7597935488000.

The previous prime is 20011002201991. The next prime is 20011002202007. The reversal of 20011002202000 is 20220011002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (20011002202007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4365612 + ... + 7686388.

Almost surely, 2^{20011002202000} is an apocalyptic number.

20011002202000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20011002202000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25437903334272).

20011002202000 is an abundant number, since it is smaller than the sum of its proper divisors (30864804466544).

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

20011002202000 is a wasteful number, since it uses less digits than its factorization.

20011002202000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3320954 (or 3320938 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20011002202000 its reverse (20220011002), we get a palindrome (20031222213002).

The spelling of 20011002202000 in words is "twenty trillion, eleven billion, two million, two hundred two thousand".