20366703343 has 12 divisors (see below), whose sum is σ = 24721962480. Its totient is φ = 16698165792.

The previous prime is 20366703337. The next prime is 20366703353. The reversal of 20366703343 is 34330766302.

It is a de Polignac number, because none of the positive numbers 2^k-20366703343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20366703323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9034678 + ... + 9036931.

It is an arithmetic number, because the mean of its divisors is an integer number (2060163540).

Almost surely, 2^20366703343 is an apocalyptic number.

20366703343 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20366703343 is a deficient number, since it is larger than the sum of its proper divisors (4355259137).

20366703343 is a wasteful number, since it uses less digits than its factorization.

20366703343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18071646 (or 18071639 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 37.

The spelling of 20366703343 in words is "twenty billion, three hundred sixty-six million, seven hundred three thousand, three hundred forty-three".