20502623346 has 8 divisors (see below), whose sum is σ = 41005246704. Its totient is φ = 6834207780.

The previous prime is 20502623287. The next prime is 20502623387. The reversal of 20502623346 is 64332620502.

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

20502623346 is an admirable number.

It is a Curzon number.

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, 1708551940 + ... + 1708551951.

It is an arithmetic number, because the mean of its divisors is an integer number (5125655838).

Almost surely, 2^20502623346 is an apocalyptic number.

20502623346 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20502623346 is a wasteful number, since it uses less digits than its factorization.

20502623346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3417103896.

The product of its (nonzero) digits is 51840, while the sum is 33.

The spelling of 20502623346 in words is "twenty billion, five hundred two million, six hundred twenty-three thousand, three hundred forty-six".