220246402 has 16 divisors (see below), whose sum is σ = 339628032. Its totient is φ = 107079840.

The previous prime is 220246399. The next prime is 220246421. The reversal of 220246402 is 204642022.

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, 258 + ... + 20989.

It is an arithmetic number, because the mean of its divisors is an integer number (21226752).

Almost surely, 2^220246402 is an apocalyptic number.

220246402 is a deficient number, since it is larger than the sum of its proper divisors (119381630).

220246402 is a wasteful number, since it uses less digits than its factorization.

220246402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21393.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 220246402 is about 14840.7008594608. The cubic root of 220246402 is about 603.9063656878.

Adding to 220246402 its reverse (204642022), we get a palindrome (424888424).

The spelling of 220246402 in words is "two hundred twenty million, two hundred forty-six thousand, four hundred two".