20224145250546 has 16 divisors (see below), whose sum is σ = 40481363525184. Its totient is φ = 6735869579504.

The previous prime is 20224145250469. The next prime is 20224145250571. The reversal of 20224145250546 is 64505254142202.

It is a happy number.

It is a super-2 number, since 2×20224145250546² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20224145250498 and 20224145250507.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1378034721 + ... + 1378049396.

It is an arithmetic number, because the mean of its divisors is an integer number (2530085220324).

Almost surely, 2^{20224145250546} is an apocalyptic number.

20224145250546 is an abundant number, since it is smaller than the sum of its proper divisors (20257218274638).

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

20224145250546 is a wasteful number, since it uses less digits than its factorization.

20224145250546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2756085345.

The product of its (nonzero) digits is 768000, while the sum is 42.

Adding to 20224145250546 its reverse (64505254142202), we get a palindrome (84729399392748).

The spelling of 20224145250546 in words is "twenty trillion, two hundred twenty-four billion, one hundred forty-five million, two hundred fifty thousand, five hundred forty-six".