10200002001989 has 4 divisors (see below), whose sum is σ = 10736844212640. Its totient is φ = 9663159791340.

The previous prime is 10200002001949. The next prime is 10200002001991. The reversal of 10200002001989 is 98910020000201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10200002001989 is a prime.

It is a super-2 number, since 2×10200002001989² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10200002001929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268421105297 + ... + 268421105334.

It is an arithmetic number, because the mean of its divisors is an integer number (2684211053160).

Almost surely, 2^{10200002001989} is an apocalyptic number.

10200002001989 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

10200002001989 is a deficient number, since it is larger than the sum of its proper divisors (536842210651).

10200002001989 is an equidigital number, since it uses as much as digits as its factorization.

10200002001989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536842210650.

The product of its (nonzero) digits is 2592, while the sum is 32.

The spelling of 10200002001989 in words is "ten trillion, two hundred billion, two million, one thousand, nine hundred eighty-nine".