10202002120019 has 8 divisors (see below), whose sum is σ = 10868334536640. Its totient is φ = 9548608197096.

The previous prime is 10202002119977. The next prime is 10202002120043. The reversal of 10202002120019 is 91002120020201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10202002120019 - 2¹⁶ = 10202002054483 is a prime.

It is a super-2 number, since 2×10202002120019² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10202002120819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3234621797 + ... + 3234624950.

It is an arithmetic number, because the mean of its divisors is an integer number (1358541817080).

Almost surely, 2^{10202002120019} is an apocalyptic number.

10202002120019 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

10202002120019 is a deficient number, since it is larger than the sum of its proper divisors (666332416621).

10202002120019 is an equidigital number, since it uses as much as digits as its factorization.

10202002120019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6469246849.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 10202002120019 in words is "ten trillion, two hundred two billion, two million, one hundred twenty thousand, nineteen".