20860733143 has 2 divisors, whose sum is σ = 20860733144. Its totient is φ = 20860733142.

The previous prime is 20860733141. The next prime is 20860733149. The reversal of 20860733143 is 34133706802.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20860733143 - 2¹ = 20860733141 is a prime.

Together with 20860733141, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20860733141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10430366571 + 10430366572.

It is an arithmetic number, because the mean of its divisors is an integer number (10430366572).

Almost surely, 2^20860733143 is an apocalyptic number.

20860733143 is a deficient number, since it is larger than the sum of its proper divisors (1).

20860733143 is an equidigital number, since it uses as much as digits as its factorization.

20860733143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 37.

The spelling of 20860733143 in words is "twenty billion, eight hundred sixty million, seven hundred thirty-three thousand, one hundred forty-three".