20083064643 has 8 divisors (see below), whose sum is σ = 29752688400. Its totient is φ = 13388709744.

The previous prime is 20083064627. The next prime is 20083064663. The reversal of 20083064643 is 34646038002.

It is a happy number.

20083064643 is a `hidden beast` number, since 2 + 0 + 0 + 8 + 3 + 0 + 6 + 4 + 643 = 666.

It is not a de Polignac number, because 20083064643 - 2⁴ = 20083064627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20083064598 and 20083064607.

It is not an unprimeable number, because it can be changed into a prime (20083064663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371908578 + ... + 371908631.

It is an arithmetic number, because the mean of its divisors is an integer number (3719086050).

Almost surely, 2^20083064643 is an apocalyptic number.

20083064643 is a deficient number, since it is larger than the sum of its proper divisors (9669623757).

20083064643 is an equidigital number, since it uses as much as digits as its factorization.

20083064643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743817218 (or 743817212 counting only the distinct ones).

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

The spelling of 20083064643 in words is "twenty billion, eighty-three million, sixty-four thousand, six hundred forty-three".