220153636793 has 32 divisors (see below), whose sum is σ = 245425140000. Its totient is φ = 196513873920.

The previous prime is 220153636783. The next prime is 220153636831. The reversal of 220153636793 is 397636351022.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 4163862784 + 215989774009 = 64528^2 + 464747^2 .

It is not a de Polignac number, because 220153636793 - 2¹⁶ = 220153571257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220153636723) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24324533 + ... + 24333581.

It is an arithmetic number, because the mean of its divisors is an integer number (7669535625).

Almost surely, 2^220153636793 is an apocalyptic number.

It is an amenable number.

220153636793 is a deficient number, since it is larger than the sum of its proper divisors (25271503207).

220153636793 is a wasteful number, since it uses less digits than its factorization.

220153636793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9965.

The product of its (nonzero) digits is 1224720, while the sum is 47.

The spelling of 220153636793 in words is "two hundred twenty billion, one hundred fifty-three million, six hundred thirty-six thousand, seven hundred ninety-three".