220153636838 has 4 divisors (see below), whose sum is σ = 330230455260. Its totient is φ = 110076818418.

The previous prime is 220153636831. The next prime is 220153636877. The reversal of 220153636838 is 838636351022.

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

It is a junction number, because it is equal to n+sod(n) for n = 220153636792 and 220153636801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220153636831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55038409208 + ... + 55038409211.

It is an arithmetic number, because the mean of its divisors is an integer number (82557613815).

Almost surely, 2^220153636838 is an apocalyptic number.

220153636838 is a deficient number, since it is larger than the sum of its proper divisors (110076818422).

220153636838 is a wasteful number, since it uses less digits than its factorization.

220153636838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110076818421.

The product of its (nonzero) digits is 1244160, while the sum is 47.

The spelling of 220153636838 in words is "two hundred twenty billion, one hundred fifty-three million, six hundred thirty-six thousand, eight hundred thirty-eight".