4154042020 has 12 divisors (see below), whose sum is σ = 8723488284. Its totient is φ = 1661616800.

The previous prime is 4154041999. The next prime is 4154042023. The reversal of 4154042020 is 202404514.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2715660544 + 1438381476 = 52112^2 + 37926^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4154041982 and 4154042000.

It is not an unprimeable number, because it can be changed into a prime (4154042023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103851031 + ... + 103851070.

It is an arithmetic number, because the mean of its divisors is an integer number (726957357).

Almost surely, 2^4154042020 is an apocalyptic number.

It is an amenable number.

4154042020 is an abundant number, since it is smaller than the sum of its proper divisors (4569446264).

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

4154042020 is a wasteful number, since it uses less digits than its factorization.

4154042020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207702110 (or 207702108 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 4154042020 is about 64451.8581578530. The cubic root of 4154042020 is about 1607.5221351944.

Adding to 4154042020 its reverse (202404514), we get a palindrome (4356446534).

The spelling of 4154042020 in words is "four billion, one hundred fifty-four million, forty-two thousand, twenty".