4020242051 has 8 divisors (see below), whose sum is σ = 4646187360. Its totient is φ = 3407203008.

The previous prime is 4020242041. The next prime is 4020242069. The reversal of 4020242051 is 1502420204.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4020242051 - 2¹⁸ = 4019979907 is a prime.

It is a super-2 number, since 2×4020242051² = 32324692297257373202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4020242011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3225896 + ... + 3227141.

It is an arithmetic number, because the mean of its divisors is an integer number (580773420).

Almost surely, 2^4020242051 is an apocalyptic number.

4020242051 is a deficient number, since it is larger than the sum of its proper divisors (625945309).

4020242051 is an equidigital number, since it uses as much as digits as its factorization.

4020242051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6453133.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 4020242051 is about 63405.3787229443. The cubic root of 4020242051 is about 1590.0742355540.

Adding to 4020242051 its reverse (1502420204), we get a palindrome (5522662255).

The spelling of 4020242051 in words is "four billion, twenty million, two hundred forty-two thousand, fifty-one".