20502652634 has 8 divisors (see below), whose sum is σ = 30768553728. Its totient is φ = 10246468060.

The previous prime is 20502652619. The next prime is 20502652649. The reversal of 20502652634 is 43625620502.

It is an interprime number because it is at equal distance from previous prime (20502652619) and next prime (20502652649).

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 = 20502652594 and 20502652603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2423852 + ... + 2432295.

It is an arithmetic number, because the mean of its divisors is an integer number (3846069216).

Almost surely, 2^20502652634 is an apocalyptic number.

20502652634 is a deficient number, since it is larger than the sum of its proper divisors (10265901094).

20502652634 is a wasteful number, since it uses less digits than its factorization.

20502652634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4858260.

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 20502652634 in words is "twenty billion, five hundred two million, six hundred fifty-two thousand, six hundred thirty-four".