20020201001010 has 192 divisors, whose sum is σ = 60574420917504. Its totient is φ = 4492795507200.

The previous prime is 20020201000993. The next prime is 20020201001011. The reversal of 20020201001010 is 1010010202002.

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 = 20020201000983 and 20020201001001.

It is not an unprimeable number, because it can be changed into a prime (20020201001011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 20545020 + ... + 21497400.

It is an arithmetic number, because the mean of its divisors is an integer number (315491775612).

Almost surely, 2^{20020201001010} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20020201001010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30287210458752).

20020201001010 is an abundant number, since it is smaller than the sum of its proper divisors (40554219916494).

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

20020201001010 is a wasteful number, since it uses less digits than its factorization.

20020201001010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953009 (or 953006 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 20020201001010 its reverse (1010010202002), we get a palindrome (21030211203012).

The spelling of 20020201001010 in words is "twenty trillion, twenty billion, two hundred one million, one thousand, ten".