20943423414 has 12 divisors (see below), whose sum is σ = 45377417436. Its totient is φ = 6981141132.

The previous prime is 20943423401. The next prime is 20943423439. The reversal of 20943423414 is 41432434902.

20943423414 is a `hidden beast` number, since 209 + 4 + 34 + 2 + 3 + 414 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 581761744 + ... + 581761779.

It is an arithmetic number, because the mean of its divisors is an integer number (3781451453).

Almost surely, 2^20943423414 is an apocalyptic number.

20943423414 is an abundant number, since it is smaller than the sum of its proper divisors (24433994022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20943423414 is a wasteful number, since it uses less digits than its factorization.

20943423414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163523531 (or 1163523528 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 20943423414 in words is "twenty billion, nine hundred forty-three million, four hundred twenty-three thousand, four hundred fourteen".