2021234424 has 64 divisors (see below), whose sum is σ = 5517642240. Its totient is φ = 611919360.

The previous prime is 2021234417. The next prime is 2021234429. The reversal of 2021234424 is 4244321202.

It is a super-3 number, since 3×2021234424³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 2021234394 and 2021234403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021234429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 339457 + ... + 345359.

It is an arithmetic number, because the mean of its divisors is an integer number (86213160).

Almost surely, 2^2021234424 is an apocalyptic number.

2021234424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2021234424 is an abundant number, since it is smaller than the sum of its proper divisors (3496407816).

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

2021234424 is a wasteful number, since it uses less digits than its factorization.

2021234424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7220 (or 7216 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 2021234424 is about 44958.1407978577. The cubic root of 2021234424 is about 1264.3643114140.

Adding to 2021234424 its reverse (4244321202), we get a palindrome (6265555626).

The spelling of 2021234424 in words is "two billion, twenty-one million, two hundred thirty-four thousand, four hundred twenty-four".