20065101 has 8 divisors (see below), whose sum is σ = 30575424. Its totient is φ = 11465760.

The previous prime is 20065079. The next prime is 20065109. The reversal of 20065101 is 10156002.

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

It is not a de Polignac number, because 20065101 - 2⁵ = 20065069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20065109) 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, 477720 + ... + 477761.

It is an arithmetic number, because the mean of its divisors is an integer number (3821928).

Almost surely, 2^20065101 is an apocalyptic number.

20065101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20065101 is a deficient number, since it is larger than the sum of its proper divisors (10510323).

20065101 is an equidigital number, since it uses as much as digits as its factorization.

20065101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955491.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 20065101 is about 4479.4085547090. The cubic root of 20065101 is about 271.7359615137.

Subtracting from 20065101 its reverse (10156002), we obtain a palindrome (9909099).

The spelling of 20065101 in words is "twenty million, sixty-five thousand, one hundred one".