20846694019460 has 96 divisors (see below), whose sum is σ = 44850594983040. Its totient is φ = 8136705484800.

The previous prime is 20846694019429. The next prime is 20846694019469. The reversal of 20846694019460 is 6491049664802.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a self number, because there is not a number n which added to its sum of digits gives 20846694019460.

It is not an unprimeable number, because it can be changed into a prime (20846694019469) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87185270 + ... + 87424050.

It is an arithmetic number, because the mean of its divisors is an integer number (467193697740).

Almost surely, 2^{20846694019460} is an apocalyptic number.

20846694019460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20846694019460 is an abundant number, since it is smaller than the sum of its proper divisors (24003900963580).

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

20846694019460 is a wasteful number, since it uses less digits than its factorization.

20846694019460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239397 (or 239395 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 59.

The spelling of 20846694019460 in words is "twenty trillion, eight hundred forty-six billion, six hundred ninety-four million, nineteen thousand, four hundred sixty".