4020003101 has 4 divisors (see below), whose sum is σ = 4027352832. Its totient is φ = 4012653372.

The previous prime is 4020003041. The next prime is 4020003131. The reversal of 4020003101 is 1013000204.

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 4020003101 - 2¹⁴ = 4019986717 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 (4020003131) 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, 3674045 + ... + 3675138.

It is an arithmetic number, because the mean of its divisors is an integer number (1006838208).

Almost surely, 2^4020003101 is an apocalyptic number.

It is an amenable number.

4020003101 is a deficient number, since it is larger than the sum of its proper divisors (7349731).

4020003101 is an equidigital number, since it uses as much as digits as its factorization.

4020003101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7349730.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 4020003101 is about 63403.4943910823. The cubic root of 4020003101 is about 1590.0427319977.

Adding to 4020003101 its reverse (1013000204), we get a palindrome (5033003305).

The spelling of 4020003101 in words is "four billion, twenty million, three thousand, one hundred one".