20202012119 has 4 divisors (see below), whose sum is σ = 21080360496. Its totient is φ = 19323663744.

The previous prime is 20202012113. The next prime is 20202012121. The reversal of 20202012119 is 91121020202.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91121020202 = 2 ⋅45560510101.

It is a cyclic number.

It is not a de Polignac number, because 20202012119 - 2²⁰ = 20200963543 is a prime.

It is a super-2 number, since 2×20202012119² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20202012119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202012113) 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, 439174154 + ... + 439174199.

It is an arithmetic number, because the mean of its divisors is an integer number (5270090124).

Almost surely, 2^20202012119 is an apocalyptic number.

20202012119 is a deficient number, since it is larger than the sum of its proper divisors (878348377).

20202012119 is an equidigital number, since it uses as much as digits as its factorization.

20202012119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878348376.

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

The spelling of 20202012119 in words is "twenty billion, two hundred two million, twelve thousand, one hundred nineteen".