202002019 has 4 divisors (see below), whose sum is σ = 202165000. Its totient is φ = 201839040.

The previous prime is 202002013. The next prime is 202002061. The reversal of 202002019 is 910200202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 202002019 - 2¹¹ = 201999971 is a prime.

It is a super-2 number, since 2×202002019² = 81609631360152722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202001993 and 202002011.

It is not an unprimeable number, because it can be changed into a prime (202002013) 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, 79617 + ... + 82114.

It is an arithmetic number, because the mean of its divisors is an integer number (50541250).

Almost surely, 2^202002019 is an apocalyptic number.

202002019 is a deficient number, since it is larger than the sum of its proper divisors (162981).

202002019 is a wasteful number, since it uses less digits than its factorization.

202002019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162980.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 202002019 is about 14212.7414315466. The cubic root of 202002019 is about 586.7483856910.

The spelling of 202002019 in words is "two hundred two million, two thousand, nineteen".