210002220434 has 4 divisors (see below), whose sum is σ = 315003330654. Its totient is φ = 105001110216.

The previous prime is 210002220431. The next prime is 210002220469. The reversal of 210002220434 is 434022200012.

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., 202468501225 + 7533719209 = 449965^2 + 86797^2 .

It is not an unprimeable number, because it can be changed into a prime (210002220431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52500555107 + ... + 52500555110.

Almost surely, 2^210002220434 is an apocalyptic number.

210002220434 is a deficient number, since it is larger than the sum of its proper divisors (105001110220).

210002220434 is a wasteful number, since it uses less digits than its factorization.

210002220434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105001110219.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 210002220434 its reverse (434022200012), we get a palindrome (644024420446).

The spelling of 210002220434 in words is "two hundred ten billion, two million, two hundred twenty thousand, four hundred thirty-four".