20065454626 has 12 divisors (see below), whose sum is σ = 35012170998. Its totient is φ = 8599480512.

The previous prime is 20065454611. The next prime is 20065454677. The reversal of 20065454626 is 62645456002.

It can be written as a sum of positive squares in only one way, i.e., 17702036401 + 2363418225 = 133049^2 + 48615^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 102374671 + ... + 102374866.

Almost surely, 2^20065454626 is an apocalyptic number.

20065454626 is a deficient number, since it is larger than the sum of its proper divisors (14946716372).

20065454626 is a wasteful number, since it uses less digits than its factorization.

20065454626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204749553 (or 204749546 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 20065454626 in words is "twenty billion, sixty-five million, four hundred fifty-four thousand, six hundred twenty-six".