20405659224748 has 96 divisors (see below), whose sum is σ = 41504762880000. Its totient is φ = 8597939232000.

The previous prime is 20405659224737. The next prime is 20405659224751. The reversal of 20405659224748 is 84742295650402.

It is a junction number, because it is equal to n+sod(n) for n = 20405659224692 and 20405659224701.

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, 2022159183 + ... + 2022169273.

It is an arithmetic number, because the mean of its divisors is an integer number (432341280000).

Almost surely, 2^{20405659224748} is an apocalyptic number.

20405659224748 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20405659224748 is an abundant number, since it is smaller than the sum of its proper divisors (21099103655252).

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

20405659224748 is a wasteful number, since it uses less digits than its factorization.

20405659224748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15151 (or 15149 counting only the distinct ones).

The product of its (nonzero) digits is 38707200, while the sum is 58.

The spelling of 20405659224748 in words is "twenty trillion, four hundred five billion, six hundred fifty-nine million, two hundred twenty-four thousand, seven hundred forty-eight".