20870186331153 has 8 divisors (see below), whose sum is σ = 27826969958848. Its totient is φ = 13913430128784.

The previous prime is 20870186331151. The next prime is 20870186331173. The reversal of 20870186331153 is 35113368107802.

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

It is not a de Polignac number, because 20870186331153 - 2¹ = 20870186331151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20870186331151) 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, 5009650 + ... + 8175387.

It is an arithmetic number, because the mean of its divisors is an integer number (3478371244856).

Almost surely, 2^{20870186331153} is an apocalyptic number.

It is an amenable number.

20870186331153 is a deficient number, since it is larger than the sum of its proper divisors (6956783627695).

20870186331153 is a wasteful number, since it uses less digits than its factorization.

20870186331153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13712663.

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 20870186331153 in words is "twenty trillion, eight hundred seventy billion, one hundred eighty-six million, three hundred thirty-one thousand, one hundred fifty-three".