20405262014 has 16 divisors (see below), whose sum is σ = 30702967008. Its totient is φ = 10170984672.

The previous prime is 20405262013. The next prime is 20405262049. The reversal of 20405262014 is 41026250402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20405262013) 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, 960572 + ... + 981584.

It is an arithmetic number, because the mean of its divisors is an integer number (1918935438).

Almost surely, 2^20405262014 is an apocalyptic number.

20405262014 is a deficient number, since it is larger than the sum of its proper divisors (10297704994).

20405262014 is a wasteful number, since it uses less digits than its factorization.

20405262014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22499.

The product of its (nonzero) digits is 3840, while the sum is 26.

The spelling of 20405262014 in words is "twenty billion, four hundred five million, two hundred sixty-two thousand, fourteen".