2231002020 has 48 divisors (see below), whose sum is σ = 6727331520. Its totient is φ = 549169536.

The previous prime is 2231002019. The next prime is 2231002051. The reversal of 2231002020 is 202001322.

It is a super-3 number, since 3×2231002020³ (a number of 29 digits) contains 333 as substring.

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 = 2231001987 and 2231002005.

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, 1429350 + ... + 1430909.

It is an arithmetic number, because the mean of its divisors is an integer number (140152740).

Almost surely, 2^2231002020 is an apocalyptic number.

2231002020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231002020 is an abundant number, since it is smaller than the sum of its proper divisors (4496329500).

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

2231002020 is a wasteful number, since it uses less digits than its factorization.

2231002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2860284 (or 2860282 counting only the distinct ones).

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

The square root of 2231002020 is about 47233.4840976187. The cubic root of 2231002020 is about 1306.6722093279.

Adding to 2231002020 its reverse (202001322), we get a palindrome (2433003342).

The spelling of 2231002020 in words is "two billion, two hundred thirty-one million, two thousand, twenty".