19471020232 has 24 divisors (see below), whose sum is σ = 37376963190. Its totient is φ = 9509095680.

The previous prime is 19471020229. The next prime is 19471020263. The reversal of 19471020232 is 23202017491.

It can be written as a sum of positive squares in only one way, i.e., 16618819396 + 2852200836 = 128914^2 + 53406^2 .

It is a junction number, because it is equal to n+sod(n) for n = 19471020194 and 19471020203.

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, 643369 + ... + 672952.

Almost surely, 2^19471020232 is an apocalyptic number.

It is an amenable number.

19471020232 is a deficient number, since it is larger than the sum of its proper divisors (17905942958).

19471020232 is a wasteful number, since it uses less digits than its factorization.

19471020232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316413 (or 1316366 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 19471020232 in words is "nineteen billion, four hundred seventy-one million, twenty thousand, two hundred thirty-two".