4020141420 has 72 divisors (see below), whose sum is σ = 12249234816. Its totient is φ = 1067219712.

The previous prime is 4020141409. The next prime is 4020141421. The reversal of 4020141420 is 241410204.

4020141420 is a `hidden beast` number, since 4 + 0 + 201 + 41 + 420 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 4020141393 and 4020141402.

It is not an unprimeable number, because it can be changed into a prime (4020141421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9937 + ... + 90216.

Almost surely, 2^4020141420 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 4020141420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6124617408).

4020141420 is an abundant number, since it is smaller than the sum of its proper divisors (8229093396).

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

4020141420 is a wasteful number, since it uses less digits than its factorization.

4020141420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100391 (or 100386 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 4020141420 is about 63404.5851654279. The cubic root of 4020141420 is about 1590.0609683516.

Adding to 4020141420 its reverse (241410204), we get a palindrome (4261551624).

The spelling of 4020141420 in words is "four billion, twenty million, one hundred forty-one thousand, four hundred twenty".