20013801 has 8 divisors (see below), whose sum is σ = 26705760. Its totient is φ = 13332192.

The previous prime is 20013793. The next prime is 20013809. The reversal of 20013801 is 10831002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20013793) and next prime (20013809).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20013801 - 2³ = 20013793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20013809) 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, 6021 + ... + 8733.

It is an arithmetic number, because the mean of its divisors is an integer number (3338220).

Almost surely, 2^20013801 is an apocalyptic number.

It is an amenable number.

20013801 is a deficient number, since it is larger than the sum of its proper divisors (6691959).

20013801 is a wasteful number, since it uses less digits than its factorization.

20013801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5175.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 20013801 is about 4473.6786876127. The cubic root of 20013801 is about 271.5041834329.

Adding to 20013801 its reverse (10831002), we get a palindrome (30844803).

The spelling of 20013801 in words is "twenty million, thirteen thousand, eight hundred one".