4020265901 has 4 divisors (see below), whose sum is σ = 4031220672. Its totient is φ = 4009311132.

The previous prime is 4020265897. The next prime is 4020265973. The reversal of 4020265901 is 1095620204.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4020265901 - 2² = 4020265897 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020265981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5476835 + ... + 5477568.

It is an arithmetic number, because the mean of its divisors is an integer number (1007805168).

Almost surely, 2^4020265901 is an apocalyptic number.

It is an amenable number.

4020265901 is a deficient number, since it is larger than the sum of its proper divisors (10954771).

4020265901 is a wasteful number, since it uses less digits than its factorization.

4020265901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10954770.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 4020265901 is about 63405.5667981921. The cubic root of 4020265901 is about 1590.0773799083.

The spelling of 4020265901 in words is "four billion, twenty million, two hundred sixty-five thousand, nine hundred one".