4013252120 has 32 divisors (see below), whose sum is σ = 9056642400. Its totient is φ = 1600531968.

The previous prime is 4013252099. The next prime is 4013252171. The reversal of 4013252120 is 212523104.

It is a super-2 number, since 2×4013252120² = 32212385157368988800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 4013252092 and 4013252101.

It is a congruent number.

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, 135380 + ... + 162339.

It is an arithmetic number, because the mean of its divisors is an integer number (283020075).

Almost surely, 2^4013252120 is an apocalyptic number.

4013252120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4013252120 is an abundant number, since it is smaller than the sum of its proper divisors (5043390280).

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

4013252120 is a wasteful number, since it uses less digits than its factorization.

4013252120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298067 (or 298063 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 4013252120 is about 63350.2337801527. The cubic root of 4013252120 is about 1589.1521553393.

Adding to 4013252120 its reverse (212523104), we get a palindrome (4225775224).

The spelling of 4013252120 in words is "four billion, thirteen million, two hundred fifty-two thousand, one hundred twenty".