20343204124452 has 72 divisors (see below), whose sum is σ = 57156378027840. Its totient is φ = 6048293958720.

The previous prime is 20343204124447. The next prime is 20343204124483. The reversal of 20343204124452 is 25442140234302.

20343204124452 is a `hidden beast` number, since 2 + 0 + 3 + 4 + 3 + 204 + 1 + 2 + 445 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 484617952 + ... + 484659927.

It is an arithmetic number, because the mean of its divisors is an integer number (793838583720).

Almost surely, 2^{20343204124452} is an apocalyptic number.

20343204124452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20343204124452 is an abundant number, since it is smaller than the sum of its proper divisors (36813173903388).

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

20343204124452 is a wasteful number, since it uses less digits than its factorization.

20343204124452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969277953 (or 969277948 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 36.

Adding to 20343204124452 its reverse (25442140234302), we get a palindrome (45785344358754).

The spelling of 20343204124452 in words is "twenty trillion, three hundred forty-three billion, two hundred four million, one hundred twenty-four thousand, four hundred fifty-two".