20471043233460 has 96 divisors (see below), whose sum is σ = 57367680491520. Its totient is φ = 5454302285952.

The previous prime is 20471043233449. The next prime is 20471043233479. The reversal of 20471043233460 is 6433234017402.

It is a super-2 number, since 2×20471043233460² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 777200971 + ... + 777227309.

It is an arithmetic number, because the mean of its divisors is an integer number (597580005120).

Almost surely, 2^{20471043233460} is an apocalyptic number.

20471043233460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20471043233460 is an abundant number, since it is smaller than the sum of its proper divisors (36896637258060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20471043233460 is a wasteful number, since it uses less digits than its factorization.

20471043233460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36877 (or 36875 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 39.

The spelling of 20471043233460 in words is "twenty trillion, four hundred seventy-one billion, forty-three million, two hundred thirty-three thousand, four hundred sixty".