220242202402 has 16 divisors (see below), whose sum is σ = 330960949560. Its totient is φ = 109922047488.

The previous prime is 220242202399. The next prime is 220242202447. The reversal of 220242202402 is 204202242022.

It can be written as a sum of positive squares in 4 ways, for example, as 187817357641 + 32424844761 = 433379^2 + 180069^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2774488 + ... + 2852764.

Almost surely, 2^220242202402 is an apocalyptic number.

220242202402 is a deficient number, since it is larger than the sum of its proper divisors (110718747158).

220242202402 is a wasteful number, since it uses less digits than its factorization.

220242202402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80805.

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 220242202402 its reverse (204202242022), we get a palindrome (424444444424).

The spelling of 220242202402 in words is "two hundred twenty billion, two hundred forty-two million, two hundred two thousand, four hundred two".