20022221434 has 8 divisors (see below), whose sum is σ = 30050768160. Its totient is φ = 10005298716.

The previous prime is 20022221431. The next prime is 20022221491. The reversal of 20022221434 is 43412222002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20022221431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2901694 + ... + 2908585.

It is an arithmetic number, because the mean of its divisors is an integer number (3756346020).

Almost surely, 2^20022221434 is an apocalyptic number.

20022221434 is a deficient number, since it is larger than the sum of its proper divisors (10028546726).

20022221434 is a wasteful number, since it uses less digits than its factorization.

20022221434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5812004.

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

Adding to 20022221434 its reverse (43412222002), we get a palindrome (63434443436).

The spelling of 20022221434 in words is "twenty billion, twenty-two million, two hundred twenty-one thousand, four hundred thirty-four".