2021424132 has 96 divisors (see below), whose sum is σ = 5829961984. Its totient is φ = 530841600.

The previous prime is 2021424127. The next prime is 2021424157. The reversal of 2021424132 is 2314241202.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 2021424099 and 2021424108.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 259332 + ... + 267012.

Almost surely, 2^2021424132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2021424132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2914980992).

2021424132 is an abundant number, since it is smaller than the sum of its proper divisors (3808537852).

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

2021424132 is a wasteful number, since it uses less digits than its factorization.

2021424132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7949 (or 7947 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2021424132 is about 44960.2505775935. The cubic root of 2021424132 is about 1264.4038668656.

Adding to 2021424132 its reverse (2314241202), we get a palindrome (4335665334).

The spelling of 2021424132 in words is "two billion, twenty-one million, four hundred twenty-four thousand, one hundred thirty-two".