220425554402 has 4 divisors (see below), whose sum is σ = 330638331606. Its totient is φ = 110212777200.

The previous prime is 220425554387. The next prime is 220425554407. The reversal of 220425554402 is 204455524022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 181451292841 + 38974261561 = 425971^2 + 197419^2 .

It is not an unprimeable number, because it can be changed into a prime (220425554407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55106388599 + ... + 55106388602.

Almost surely, 2^220425554402 is an apocalyptic number.

220425554402 is a deficient number, since it is larger than the sum of its proper divisors (110212777204).

220425554402 is a wasteful number, since it uses less digits than its factorization.

220425554402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110212777203.

The product of its (nonzero) digits is 128000, while the sum is 35.

The spelling of 220425554402 in words is "two hundred twenty billion, four hundred twenty-five million, five hundred fifty-four thousand, four hundred two".