4243201420 has 24 divisors (see below), whose sum is σ = 8918499744. Its totient is φ = 1695799296.

The previous prime is 4243201409. The next prime is 4243201433. The reversal of 4243201420 is 241023424.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4243201391 and 4243201400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68944 + ... + 115063.

It is an arithmetic number, because the mean of its divisors is an integer number (371604156).

Almost surely, 2^4243201420 is an apocalyptic number.

It is an amenable number.

4243201420 is an abundant number, since it is smaller than the sum of its proper divisors (4675298324).

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

4243201420 is a wasteful number, since it uses less digits than its factorization.

4243201420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185169 (or 185167 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 4243201420 is about 65139.8604542564. The cubic root of 4243201420 is about 1618.9417235982.

Adding to 4243201420 its reverse (241023424), we get a palindrome (4484224844).

The spelling of 4243201420 in words is "four billion, two hundred forty-three million, two hundred one thousand, four hundred twenty".