228765020602 has 4 divisors (see below), whose sum is σ = 343147530906. Its totient is φ = 114382510300.

The previous prime is 228765020573. The next prime is 228765020621. The reversal of 228765020602 is 206020567822.

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., 202834037641 + 25930982961 = 450371^2 + 161031^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57191255149 + ... + 57191255152.

Almost surely, 2^228765020602 is an apocalyptic number.

228765020602 is a deficient number, since it is larger than the sum of its proper divisors (114382510304).

228765020602 is a wasteful number, since it uses less digits than its factorization.

228765020602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114382510303.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 228765020602 in words is "two hundred twenty-eight billion, seven hundred sixty-five million, twenty thousand, six hundred two".