20101204207 has 8 divisors (see below), whose sum is σ = 22982400000. Its totient is φ = 17222407224.

The previous prime is 20101204199. The next prime is 20101204213. The reversal of 20101204207 is 70240210102.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20101204207 - 2³ = 20101204199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101204247) 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, 581707 + ... + 615292.

It is an arithmetic number, because the mean of its divisors is an integer number (2872800000).

Almost surely, 2^20101204207 is an apocalyptic number.

20101204207 is a deficient number, since it is larger than the sum of its proper divisors (2881195793).

20101204207 is a wasteful number, since it uses less digits than its factorization.

20101204207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199405.

The product of its (nonzero) digits is 224, while the sum is 19.

Adding to 20101204207 its reverse (70240210102), we get a palindrome (90341414309).

The spelling of 20101204207 in words is "twenty billion, one hundred one million, two hundred four thousand, two hundred seven".