20343764624500 has 96 divisors (see below), whose sum is σ = 44532029767680. Its totient is φ = 8118982995200.

The previous prime is 20343764624479. The next prime is 20343764624501. The reversal of 20343764624500 is 542646734302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20343764624501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 407510541 + ... + 407560459.

It is an arithmetic number, because the mean of its divisors is an integer number (463875310080).

Almost surely, 2^{20343764624500} is an apocalyptic number.

20343764624500 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 20343764624500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22266014883840).

20343764624500 is an abundant number, since it is smaller than the sum of its proper divisors (24188265143180).

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

20343764624500 is a wasteful number, since it uses less digits than its factorization.

20343764624500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51778 (or 51766 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 46.

The spelling of 20343764624500 in words is "twenty trillion, three hundred forty-three billion, seven hundred sixty-four million, six hundred twenty-four thousand, five hundred".