20114550431 has 8 divisors (see below), whose sum is σ = 21689631600. Its totient is φ = 18591111360.

The previous prime is 20114550413. The next prime is 20114550437. The reversal of 20114550431 is 13405541102.

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 20114550431 - 2¹⁸ = 20114288287 is a prime.

It is a super-2 number, since 2×20114550431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20114550431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20114550437) 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, 12909716 + ... + 12911273.

It is an arithmetic number, because the mean of its divisors is an integer number (2711203950).

Almost surely, 2^20114550431 is an apocalyptic number.

20114550431 is a deficient number, since it is larger than the sum of its proper divisors (1575081169).

20114550431 is a wasteful number, since it uses less digits than its factorization.

20114550431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25821049.

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 20114550431 in words is "twenty billion, one hundred fourteen million, five hundred fifty thousand, four hundred thirty-one".