4020513155 has 8 divisors (see below), whose sum is σ = 4838442000. Its totient is φ = 3207193056.

The previous prime is 4020513149. The next prime is 4020513157. The reversal of 4020513155 is 5513150204.

4020513155 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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 4020513155 - 2⁴ = 4020513139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4020513157) 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, 1150265 + ... + 1153754.

It is an arithmetic number, because the mean of its divisors is an integer number (604805250).

Almost surely, 2^4020513155 is an apocalyptic number.

4020513155 is a deficient number, since it is larger than the sum of its proper divisors (817928845).

4020513155 is a wasteful number, since it uses less digits than its factorization.

4020513155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2304373.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 4020513155 is about 63407.5165496962. The cubic root of 4020513155 is about 1590.1099768345.

Adding to 4020513155 its reverse (5513150204), we get a palindrome (9533663359).

The spelling of 4020513155 in words is "four billion, twenty million, five hundred thirteen thousand, one hundred fifty-five".