20203518350 has 24 divisors (see below), whose sum is σ = 38139424248. Its totient is φ = 7960788000.

The previous prime is 20203518347. The next prime is 20203518373. The reversal of 20203518350 is 5381530202.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 3012101 + ... + 3018800.

It is an arithmetic number, because the mean of its divisors is an integer number (1589142677).

Almost surely, 2^20203518350 is an apocalyptic number.

20203518350 is a deficient number, since it is larger than the sum of its proper divisors (17935905898).

20203518350 is a wasteful number, since it uses less digits than its factorization.

20203518350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6030980 (or 6030975 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 20203518350 in words is "twenty billion, two hundred three million, five hundred eighteen thousand, three hundred fifty".