20522012302224 has 160 divisors (see below), whose sum is σ = 59878496638080. Its totient is φ = 6727736102400.

The previous prime is 20522012302219. The next prime is 20522012302249. The reversal of 20522012302224 is 42220321022502.

It is a happy number.

20522012302224 is a `hidden beast` number, since 2 + 0 + 5 + 2 + 201 + 230 + 2 + 224 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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, 249433254 + ... + 249515514.

It is an arithmetic number, because the mean of its divisors is an integer number (374240603988).

Almost surely, 2^{20522012302224} is an apocalyptic number.

20522012302224 is a gapful number since it is divisible by the number (24) 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 20522012302224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29939248319040).

20522012302224 is an abundant number, since it is smaller than the sum of its proper divisors (39356484335856).

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

20522012302224 is a wasteful number, since it uses less digits than its factorization.

20522012302224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91806 (or 91794 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 20522012302224 its reverse (42220321022502), we get a palindrome (62742333324726).

The spelling of 20522012302224 in words is "twenty trillion, five hundred twenty-two billion, twelve million, three hundred two thousand, two hundred twenty-four".