20131853207 has 8 divisors (see below), whose sum is σ = 20508303600. Its totient is φ = 19757637504.

The previous prime is 20131853177. The next prime is 20131853233. The reversal of 20131853207 is 70235813102.

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

It is not a de Polignac number, because 20131853207 - 2¹⁶ = 20131787671 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 (20131853257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 540482 + ... + 576527.

It is an arithmetic number, because the mean of its divisors is an integer number (2563537950).

Almost surely, 2^20131853207 is an apocalyptic number.

20131853207 is a deficient number, since it is larger than the sum of its proper divisors (376450393).

20131853207 is a wasteful number, since it uses less digits than its factorization.

20131853207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117345.

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 20131853207 in words is "twenty billion, one hundred thirty-one million, eight hundred fifty-three thousand, two hundred seven".