20411651224 has 8 divisors (see below), whose sum is σ = 38271846060. Its totient is φ = 10205825608.

The previous prime is 20411651219. The next prime is 20411651261. The reversal of 20411651224 is 42215611402.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 20411651192 and 20411651201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275728194 + ... + 1275728209.

Almost surely, 2^20411651224 is an apocalyptic number.

It is an amenable number.

20411651224 is a deficient number, since it is larger than the sum of its proper divisors (17860194836).

20411651224 is a wasteful number, since it uses less digits than its factorization.

20411651224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2551456409 (or 2551456405 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The spelling of 20411651224 in words is "twenty billion, four hundred eleven million, six hundred fifty-one thousand, two hundred twenty-four".