20014413431 has 4 divisors (see below), whose sum is σ = 20288583552. Its totient is φ = 19740243312.

The previous prime is 20014413383. The next prime is 20014413443. The reversal of 20014413431 is 13431441002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20014413431 - 2³⁴ = 2834544247 is a prime.

It is a super-2 number, since 2×20014413431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20014413397 and 20014413406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20014413931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137084951 + ... + 137085096.

It is an arithmetic number, because the mean of its divisors is an integer number (5072145888).

Almost surely, 2^20014413431 is an apocalyptic number.

20014413431 is a deficient number, since it is larger than the sum of its proper divisors (274170121).

20014413431 is an equidigital number, since it uses as much as digits as its factorization.

20014413431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274170120.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 20014413431 its reverse (13431441002), we get a palindrome (33445854433).

The spelling of 20014413431 in words is "twenty billion, fourteen million, four hundred thirteen thousand, four hundred thirty-one".