20343502630 has 32 divisors (see below), whose sum is σ = 40024028448. Its totient is φ = 7383417600.

The previous prime is 20343502601. The next prime is 20343502637. The reversal of 20343502630 is 3620534302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20343502637) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 120177 + ... + 234796.

It is an arithmetic number, because the mean of its divisors is an integer number (1250750889).

Almost surely, 2^20343502630 is an apocalyptic number.

20343502630 is a deficient number, since it is larger than the sum of its proper divisors (19680525818).

20343502630 is a wasteful number, since it uses less digits than its factorization.

20343502630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355512.

The product of its (nonzero) digits is 12960, while the sum is 28.

The spelling of 20343502630 in words is "twenty billion, three hundred forty-three million, five hundred two thousand, six hundred thirty".