20540660152222 has 32 divisors (see below), whose sum is σ = 35251841476800. Its totient is φ = 8793322737408.

The previous prime is 20540660152211. The next prime is 20540660152291. The reversal of 20540660152222 is 22225106604502.

It is a super-3 number, since 3×20540660152222³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85020948 + ... + 85262200.

It is an arithmetic number, because the mean of its divisors is an integer number (1101620046150).

Almost surely, 2^{20540660152222} is an apocalyptic number.

20540660152222 is a deficient number, since it is larger than the sum of its proper divisors (14711181324578).

20540660152222 is a wasteful number, since it uses less digits than its factorization.

20540660152222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248020.

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 20540660152222 its reverse (22225106604502), we get a palindrome (42765766756724).

The spelling of 20540660152222 in words is "twenty trillion, five hundred forty billion, six hundred sixty million, one hundred fifty-two thousand, two hundred twenty-two".