10002020101997 has 12 divisors (see below), whose sum is σ = 12564521120928. Its totient is φ = 7793781897000.

The previous prime is 10002020101963. The next prime is 10002020102029. The reversal of 10002020101997 is 79910102020001.

It is not a de Polignac number, because 10002020101997 - 2²² = 10002015907693 is a prime.

It is a super-2 number, since 2×10002020101997² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10002020101397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5904379379 + ... + 5904381072.

It is an arithmetic number, because the mean of its divisors is an integer number (1047043426744).

Almost surely, 2^{10002020101997} is an apocalyptic number.

It is an amenable number.

10002020101997 is a deficient number, since it is larger than the sum of its proper divisors (2562501018931).

10002020101997 is a wasteful number, since it uses less digits than its factorization.

10002020101997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11808760480 (or 11808760469 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 32.

Adding to 10002020101997 its reverse (79910102020001), we get a palindrome (89912122121998).

The spelling of 10002020101997 in words is "ten trillion, two billion, twenty million, one hundred one thousand, nine hundred ninety-seven".