20434202422 has 16 divisors (see below), whose sum is σ = 32270097600. Its totient is φ = 9677688840.

The previous prime is 20434202359. The next prime is 20434202449. The reversal of 20434202422 is 22420243402.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 192729 + ... + 279307.

It is an arithmetic number, because the mean of its divisors is an integer number (2016881100).

Almost surely, 2^20434202422 is an apocalyptic number.

20434202422 is a deficient number, since it is larger than the sum of its proper divisors (11835895178).

20434202422 is a wasteful number, since it uses less digits than its factorization.

20434202422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92811.

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 20434202422 its reverse (22420243402), we get a palindrome (42854445824).

The spelling of 20434202422 in words is "twenty billion, four hundred thirty-four million, two hundred two thousand, four hundred twenty-two".