2021424402 has 32 divisors (see below), whose sum is σ = 4294699200. Its totient is φ = 632484288.

The previous prime is 2021424263. The next prime is 2021424407. The reversal of 2021424402 is 2044241202.

It is a super-2 number, since 2×2021424402² = 8172313226002115208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2021424407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68913 + ... + 93764.

It is an arithmetic number, because the mean of its divisors is an integer number (134209350).

Almost surely, 2^2021424402 is an apocalyptic number.

2021424402 is an abundant number, since it is smaller than the sum of its proper divisors (2273274798).

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

2021424402 is a wasteful number, since it uses less digits than its factorization.

2021424402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162810.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 2021424402 is about 44960.2535802457. The cubic root of 2021424402 is about 1264.4039231607.

Adding to 2021424402 its reverse (2044241202), we get a palindrome (4065665604).

The spelling of 2021424402 in words is "two billion, twenty-one million, four hundred twenty-four thousand, four hundred two".