220773534 has 16 divisors (see below), whose sum is σ = 442150272. Its totient is φ = 73490648.

The previous prime is 220773533. The next prime is 220773541. The reversal of 220773534 is 435377022.

It is a junction number, because it is equal to n+sod(n) for n = 220773495 and 220773504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220773533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20304 + ... + 29219.

It is an arithmetic number, because the mean of its divisors is an integer number (27634392).

Almost surely, 2^220773534 is an apocalyptic number.

220773534 is an abundant number, since it is smaller than the sum of its proper divisors (221376738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220773534 is a wasteful number, since it uses less digits than its factorization.

220773534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50271.

The product of its (nonzero) digits is 35280, while the sum is 33.

The square root of 220773534 is about 14858.4499191537. The cubic root of 220773534 is about 604.3877730828.

The spelling of 220773534 in words is "two hundred twenty million, seven hundred seventy-three thousand, five hundred thirty-four".