20502325034 has 8 divisors (see below), whose sum is σ = 30923396868. Its totient is φ = 10194526080.

The previous prime is 20502325027. The next prime is 20502325061. The reversal of 20502325034 is 43052320502.

It can be written as a sum of positive squares in 2 ways, for example, as 16818199225 + 3684125809 = 129685^2 + 60697^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20502324994 and 20502325012.

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, 28317767 + ... + 28318490.

Almost surely, 2^20502325034 is an apocalyptic number.

20502325034 is a deficient number, since it is larger than the sum of its proper divisors (10421071834).

20502325034 is a wasteful number, since it uses less digits than its factorization.

20502325034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56636440.

The product of its (nonzero) digits is 7200, while the sum is 26.

Adding to 20502325034 its reverse (43052320502), we get a palindrome (63554645536).

The spelling of 20502325034 in words is "twenty billion, five hundred two million, three hundred twenty-five thousand, thirty-four".