20222135535456 has 72 divisors (see below), whose sum is σ = 59489687537280. Its totient is φ = 6508273502976.

The previous prime is 20222135535449. The next prime is 20222135535493. The reversal of 20222135535456 is 65453553122202.

20222135535456 is a `hidden beast` number, since 2 + 0 + 2 + 2 + 21 + 35 + 53 + 545 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×20222135535456² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1210608000 + ... + 1210624703.

It is an arithmetic number, because the mean of its divisors is an integer number (826245660240).

Almost surely, 2^{20222135535456} is an apocalyptic number.

It is an amenable number.

20222135535456 is an abundant number, since it is smaller than the sum of its proper divisors (39267552001824).

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

20222135535456 is a wasteful number, since it uses less digits than its factorization.

20222135535456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2421232748 (or 2421232737 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 45.

Adding to 20222135535456 its reverse (65453553122202), we get a palindrome (85675688657658).

The spelling of 20222135535456 in words is "twenty trillion, two hundred twenty-two billion, one hundred thirty-five million, five hundred thirty-five thousand, four hundred fifty-six".