220069431 has 12 divisors (see below), whose sum is σ = 321902880. Its totient is φ = 144855360.

The previous prime is 220069417. The next prime is 220069439. The reversal of 220069431 is 134960022.

220069431 is a `hidden beast` number, since 220 + 0 + 6 + 9 + 431 = 666.

It is not a de Polignac number, because 220069431 - 2¹⁷ = 219938359 is a prime.

It is a super-2 number, since 2×220069431² = 96861108921327522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220069395 and 220069404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220069439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154050 + ... + 155471.

It is an arithmetic number, because the mean of its divisors is an integer number (26825240).

Almost surely, 2^220069431 is an apocalyptic number.

220069431 is a deficient number, since it is larger than the sum of its proper divisors (101833449).

220069431 is a wasteful number, since it uses less digits than its factorization.

220069431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309606 (or 309603 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 220069431 is about 14834.7373080887. The cubic root of 220069431 is about 603.7445733345.

It can be divided in two parts, 2200 and 69431, that added together give a triangular number (71631 = T₃₇₈).

The spelling of 220069431 in words is "two hundred twenty million, sixty-nine thousand, four hundred thirty-one".