20112203343 has 16 divisors (see below), whose sum is σ = 27935283200. Its totient is φ = 12856566240.

The previous prime is 20112203339. The next prime is 20112203347. The reversal of 20112203343 is 34330221102.

It is an interprime number because it is at equal distance from previous prime (20112203339) and next prime (20112203347).

It is not a de Polignac number, because 20112203343 - 2² = 20112203339 is a prime.

It is a super-3 number, since 3×20112203343³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112203347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 981883 + ... + 1002156.

It is an arithmetic number, because the mean of its divisors is an integer number (1745955200).

Almost surely, 2^20112203343 is an apocalyptic number.

20112203343 is a deficient number, since it is larger than the sum of its proper divisors (7823079857).

20112203343 is a wasteful number, since it uses less digits than its factorization.

20112203343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1984182.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20112203343 its reverse (34330221102), we get a palindrome (54442424445).

The spelling of 20112203343 in words is "twenty billion, one hundred twelve million, two hundred three thousand, three hundred forty-three".