21924620950 has 12 divisors (see below), whose sum is σ = 40779795060. Its totient is φ = 8769848360.

The previous prime is 21924620909. The next prime is 21924620969. The reversal of 21924620950 is 5902642912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 219246160 + ... + 219246259.

It is an arithmetic number, because the mean of its divisors is an integer number (3398316255).

Almost surely, 2^21924620950 is an apocalyptic number.

21924620950 is a deficient number, since it is larger than the sum of its proper divisors (18855174110).

21924620950 is a wasteful number, since it uses less digits than its factorization.

21924620950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438492431 (or 438492426 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 21924620950 in words is "twenty-one billion, nine hundred twenty-four million, six hundred twenty thousand, nine hundred fifty".