20022231002 has 4 divisors (see below), whose sum is σ = 30033346506. Its totient is φ = 10011115500.

The previous prime is 20022230993. The next prime is 20022231007. The reversal of 20022231002 is 20013222002.

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., 19911749881 + 110481121 = 141109^2 + 10511^2 .

It is not an unprimeable number, because it can be changed into a prime (20022231007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005557749 + ... + 5005557752.

Almost surely, 2^20022231002 is an apocalyptic number.

20022231002 is a deficient number, since it is larger than the sum of its proper divisors (10011115504).

20022231002 is a wasteful number, since it uses less digits than its factorization.

20022231002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10011115503.

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 20022231002 its reverse (20013222002), we get a palindrome (40035453004).

The spelling of 20022231002 in words is "twenty billion, twenty-two million, two hundred thirty-one thousand, two".