20551600305224 has 32 divisors (see below), whose sum is σ = 38742477162240. Its totient is φ = 10220420548800.

The previous prime is 20551600305199. The next prime is 20551600305287. The reversal of 20551600305224 is 42250300615502.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8102744 + ... + 10332359.

It is an arithmetic number, because the mean of its divisors is an integer number (1210702411320).

Almost surely, 2^{20551600305224} is an apocalyptic number.

It is an amenable number.

20551600305224 is a deficient number, since it is larger than the sum of its proper divisors (18190876857016).

20551600305224 is a wasteful number, since it uses less digits than its factorization.

20551600305224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18435861 (or 18435857 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 20551600305224 in words is "twenty trillion, five hundred fifty-one billion, six hundred million, three hundred five thousand, two hundred twenty-four".