20546534435 has 16 divisors (see below), whose sum is σ = 28340991936. Its totient is φ = 14007608448.

The previous prime is 20546534419. The next prime is 20546534447. The reversal of 20546534435 is 53443564502.

It is a cyclic number.

It is not a de Polignac number, because 20546534435 - 2⁴ = 20546534419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20546534392 and 20546534401.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1690604 + ... + 1702713.

It is an arithmetic number, because the mean of its divisors is an integer number (1771311996).

Almost surely, 2^20546534435 is an apocalyptic number.

20546534435 is a deficient number, since it is larger than the sum of its proper divisors (7794457501).

20546534435 is a wasteful number, since it uses less digits than its factorization.

20546534435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3393502.

The product of its (nonzero) digits is 864000, while the sum is 41.

The spelling of 20546534435 in words is "twenty billion, five hundred forty-six million, five hundred thirty-four thousand, four hundred thirty-five".