220024421155102 has 4 divisors (see below), whose sum is σ = 330036631732656. Its totient is φ = 110012210577550.

The previous prime is 220024421155079. The next prime is 220024421155139. The reversal of 220024421155102 is 201551124420022.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55006105288774 + ... + 55006105288777.

It is an arithmetic number, because the mean of its divisors is an integer number (82509157933164).

Almost surely, 2^{220024421155102} is an apocalyptic number.

220024421155102 is a deficient number, since it is larger than the sum of its proper divisors (110012210577554).

220024421155102 is a wasteful number, since it uses less digits than its factorization.

220024421155102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110012210577553.

The product of its (nonzero) digits is 12800, while the sum is 31.

Adding to 220024421155102 its reverse (201551124420022), we get a palindrome (421575545575124).

The spelling of 220024421155102 in words is "two hundred twenty trillion, twenty-four billion, four hundred twenty-one million, one hundred fifty-five thousand, one hundred two".