22020054506352 has 240 divisors, whose sum is σ = 71242419568320. Its totient is φ = 6218844622848.

The previous prime is 22020054506339. The next prime is 22020054506371. The reversal of 22020054506352 is 25360545002022.

22020054506352 is a `hidden beast` number, since 2 + 2 + 0 + 2 + 0 + 0 + 545 + 0 + 63 + 52 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 306151098 + ... + 306223014.

It is an arithmetic number, because the mean of its divisors is an integer number (296843414868).

Almost surely, 2^{22020054506352} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22020054506352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35621209784160).

22020054506352 is an abundant number, since it is smaller than the sum of its proper divisors (49222365061968).

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

22020054506352 is a wasteful number, since it uses less digits than its factorization.

22020054506352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75440 (or 75431 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 22020054506352 its reverse (25360545002022), we get a palindrome (47380599508374).

The spelling of 22020054506352 in words is "twenty-two trillion, twenty billion, fifty-four million, five hundred six thousand, three hundred fifty-two".