20014545431 has 8 divisors (see below), whose sum is σ = 20706282720. Its totient is φ = 19322913568.

The previous prime is 20014545427. The next prime is 20014545487. The reversal of 20014545431 is 13454541002.

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 20014545431 - 2² = 20014545427 is a prime.

It is a super-2 number, since 2×20014545431² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20014545394 and 20014545403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20014545401) 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, 693665 + ... + 721941.

It is an arithmetic number, because the mean of its divisors is an integer number (2588285340).

Almost surely, 2^20014545431 is an apocalyptic number.

20014545431 is a deficient number, since it is larger than the sum of its proper divisors (691737289).

20014545431 is a wasteful number, since it uses less digits than its factorization.

20014545431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52713.

The product of its (nonzero) digits is 9600, while the sum is 29.

The spelling of 20014545431 in words is "twenty billion, fourteen million, five hundred forty-five thousand, four hundred thirty-one".