20210565106634 has 8 divisors (see below), whose sum is σ = 34646683039968. Its totient is φ = 8661670759980.

The previous prime is 20210565106549. The next prime is 20210565106651. The reversal of 20210565106634 is 43660156501202.

It is a happy number.

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 = 20210565106591 and 20210565106600.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 721805896652 + ... + 721805896679.

It is an arithmetic number, because the mean of its divisors is an integer number (4330835379996).

Almost surely, 2^{20210565106634} is an apocalyptic number.

20210565106634 is a deficient number, since it is larger than the sum of its proper divisors (14436117933334).

20210565106634 is a wasteful number, since it uses less digits than its factorization.

20210565106634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443611793340.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 20210565106634 in words is "twenty trillion, two hundred ten billion, five hundred sixty-five million, one hundred six thousand, six hundred thirty-four".