2223001020 has 48 divisors (see below), whose sum is σ = 6256686240. Its totient is φ = 589725696.

The previous prime is 2223000947. The next prime is 2223001031. The reversal of 2223001020 is 201003222.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2223000987 and 2223001005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84405 + ... + 107564.

It is an arithmetic number, because the mean of its divisors is an integer number (130347630).

Almost surely, 2^2223001020 is an apocalyptic number.

2223001020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2223001020 is an abundant number, since it is smaller than the sum of its proper divisors (4033685220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2223001020 is a wasteful number, since it uses less digits than its factorization.

2223001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192174 (or 192172 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 2223001020 is about 47148.7117533449. The cubic root of 2223001020 is about 1305.1083070955.

Adding to 2223001020 its reverse (201003222), we get a palindrome (2424004242).

The spelling of 2223001020 in words is "two billion, two hundred twenty-three million, one thousand, twenty".