20544575034 has 16 divisors (see below), whose sum is σ = 41495974560. Its totient is φ = 6780387600.

The previous prime is 20544575017. The next prime is 20544575041. The reversal of 20544575034 is 43057544502.

It is a super-2 number, since 2×20544575034² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20544574983 and 20544575001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16950364 + ... + 16951575.

It is an arithmetic number, because the mean of its divisors is an integer number (2593498410).

Almost surely, 2^20544575034 is an apocalyptic number.

20544575034 is an abundant number, since it is smaller than the sum of its proper divisors (20951399526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20544575034 is a wasteful number, since it uses less digits than its factorization.

20544575034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33902045.

The product of its (nonzero) digits is 336000, while the sum is 39.

The spelling of 20544575034 in words is "twenty billion, five hundred forty-four million, five hundred seventy-five thousand, thirty-four".