20065064433 has 16 divisors (see below), whose sum is σ = 27621090816. Its totient is φ = 12943019520.

The previous prime is 20065064423. The next prime is 20065064441. The reversal of 20065064433 is 33446056002.

It is not a de Polignac number, because 20065064433 - 2¹⁴ = 20065048049 is a prime.

It is a super-2 number, since 2×20065064433² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20065064394 and 20065064403.

It is not an unprimeable number, because it can be changed into a prime (20065064423) 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, 679035 + ... + 707967.

It is an arithmetic number, because the mean of its divisors is an integer number (1726318176).

Almost surely, 2^20065064433 is an apocalyptic number.

It is an amenable number.

20065064433 is a deficient number, since it is larger than the sum of its proper divisors (7556026383).

20065064433 is a wasteful number, since it uses less digits than its factorization.

20065064433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36424.

The product of its (nonzero) digits is 51840, while the sum is 33.

The spelling of 20065064433 in words is "twenty billion, sixty-five million, sixty-four thousand, four hundred thirty-three".