220534402 has 8 divisors (see below), whose sum is σ = 360874512. Its totient is φ = 100242900.

The previous prime is 220534399. The next prime is 220534423. The reversal of 220534402 is 204435022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 10024291 = 220534402 / (2 + 2 + 0 + 5 + 3 + 4 + 4 + 0 + 2).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5012124 + ... + 5012167.

It is an arithmetic number, because the mean of its divisors is an integer number (45109314).

Almost surely, 2^220534402 is an apocalyptic number.

220534402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220534402 is a deficient number, since it is larger than the sum of its proper divisors (140340110).

220534402 is a wasteful number, since it uses less digits than its factorization.

220534402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10024304.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 220534402 is about 14850.4007353337. The cubic root of 220534402 is about 604.1694789966.

Adding to 220534402 its reverse (204435022), we get a palindrome (424969424).

The spelling of 220534402 in words is "two hundred twenty million, five hundred thirty-four thousand, four hundred two".