4020403311 has 24 divisors (see below), whose sum is σ = 6002539920. Its totient is φ = 2591625600.

The previous prime is 4020403279. The next prime is 4020403357. The reversal of 4020403311 is 1133040204.

It is not a de Polignac number, because 4020403311 - 2⁵ = 4020403279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020403111) 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, 29670 + ... + 94451.

It is an arithmetic number, because the mean of its divisors is an integer number (250105830).

Almost surely, 2^4020403311 is an apocalyptic number.

4020403311 is a deficient number, since it is larger than the sum of its proper divisors (1982136609).

4020403311 is a wasteful number, since it uses less digits than its factorization.

4020403311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124247 (or 124244 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 4020403311 is about 63406.6503688690. The cubic root of 4020403311 is about 1590.0954956291.

Adding to 4020403311 its reverse (1133040204), we get a palindrome (5153443515).

The spelling of 4020403311 in words is "four billion, twenty million, four hundred three thousand, three hundred eleven".