20386084931 has 8 divisors (see below), whose sum is σ = 20454721344. Its totient is φ = 20317548160.

The previous prime is 20386084913. The next prime is 20386084949. The reversal of 20386084931 is 13948068302.

It is an interprime number because it is at equal distance from previous prime (20386084913) and next prime (20386084949).

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 20386084931 - 2³⁰ = 19312343107 is a prime.

It is a super-2 number, since 2×20386084931² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20386084951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396881 + ... + 445293.

It is an arithmetic number, because the mean of its divisors is an integer number (2556840168).

Almost surely, 2^20386084931 is an apocalyptic number.

20386084931 is a deficient number, since it is larger than the sum of its proper divisors (68636413).

20386084931 is an equidigital number, since it uses as much as digits as its factorization.

20386084931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49821.

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 20386084931 in words is "twenty billion, three hundred eighty-six million, eighty-four thousand, nine hundred thirty-one".