20536024634 has 8 divisors (see below), whose sum is σ = 30863163348. Its totient is φ = 10248303520.

The previous prime is 20536024583. The next prime is 20536024637. The reversal of 20536024634 is 43642063502.

It can be written as a sum of positive squares in 2 ways, for example, as 20405265409 + 130759225 = 142847^2 + 11435^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20536024594 and 20536024603.

It is not an unprimeable number, because it can be changed into a prime (20536024637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9853097 + ... + 9855180.

Almost surely, 2^20536024634 is an apocalyptic number.

20536024634 is a deficient number, since it is larger than the sum of its proper divisors (10327138714).

20536024634 is a wasteful number, since it uses less digits than its factorization.

20536024634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19708800.

The product of its (nonzero) digits is 103680, while the sum is 35.

The spelling of 20536024634 in words is "twenty billion, five hundred thirty-six million, twenty-four thousand, six hundred thirty-four".