1020020219 has 8 divisors (see below), whose sum is σ = 1056188160. Its totient is φ = 983918656.

The previous prime is 1020020201. The next prime is 1020020231. The reversal of 1020020219 is 9120200201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020020219 is a prime.

It is a super-2 number, since 2×1020020219² = 2080882494337615922, 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 = 1020020197 and 1020020206.

It is not an unprimeable number, because it can be changed into a prime (1020020279) 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, 15782 + ... + 47844.

It is an arithmetic number, because the mean of its divisors is an integer number (132023520).

Almost surely, 2^1020020219 is an apocalyptic number.

1020020219 is a deficient number, since it is larger than the sum of its proper divisors (36167941).

1020020219 is a wasteful number, since it uses less digits than its factorization.

1020020219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33189.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1020020219 is about 31937.7553844975. The cubic root of 1020020219 is about 1006.6293607922.

The spelling of 1020020219 in words is "one billion, twenty million, twenty thousand, two hundred nineteen".