20471930006 has 32 divisors (see below), whose sum is σ = 34649911296. Its totient is φ = 8990280000.

The previous prime is 20471929991. The next prime is 20471930023. The reversal of 20471930006 is 60003917402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17270 + ... + 203081.

It is an arithmetic number, because the mean of its divisors is an integer number (1082809728).

Almost surely, 2^20471930006 is an apocalyptic number.

20471930006 is a deficient number, since it is larger than the sum of its proper divisors (14177981290).

20471930006 is a wasteful number, since it uses less digits than its factorization.

20471930006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220508.

The product of its (nonzero) digits is 9072, while the sum is 32.

The spelling of 20471930006 in words is "twenty billion, four hundred seventy-one million, nine hundred thirty thousand, six".