1020220010219 has 4 divisors (see below), whose sum is σ = 1021257874896. Its totient is φ = 1019182145544.

The previous prime is 1020220010213. The next prime is 1020220010221. The reversal of 1020220010219 is 9120100220201.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020220010219 is a prime.

It is a super-2 number, since 2×1020220010219² (a number of 25 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 1020220010219.

It is not an unprimeable number, because it can be changed into a prime (1020220010213) 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, 518930864 + ... + 518932829.

It is an arithmetic number, because the mean of its divisors is an integer number (255314468724).

Almost surely, 2^{1020220010219} is an apocalyptic number.

1020220010219 is a deficient number, since it is larger than the sum of its proper divisors (1037864677).

1020220010219 is an equidigital number, since it uses as much as digits as its factorization.

1020220010219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037864676.

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

The spelling of 1020220010219 in words is "one trillion, twenty billion, two hundred twenty million, ten thousand, two hundred nineteen".