20473474460 has 48 divisors (see below), whose sum is σ = 44438661120. Its totient is φ = 7914957120.

The previous prime is 20473474457. The next prime is 20473474477. The reversal of 20473474460 is 6447437402.

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, 466961 + ... + 508919.

It is an arithmetic number, because the mean of its divisors is an integer number (925805440).

Almost surely, 2^20473474460 is an apocalyptic number.

20473474460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20473474460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22219330560).

20473474460 is an abundant number, since it is smaller than the sum of its proper divisors (23965186660).

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

20473474460 is a wasteful number, since it uses less digits than its factorization.

20473474460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42786 (or 42784 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 41.

The spelling of 20473474460 in words is "twenty billion, four hundred seventy-three million, four hundred seventy-four thousand, four hundred sixty".