20442002402 has 8 divisors (see below), whose sum is σ = 30665164800. Its totient is φ = 10220280804.

The previous prime is 20442002341. The next prime is 20442002411. The reversal of 20442002402 is 20420024402.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324002 + ... + 381917.

It is an arithmetic number, because the mean of its divisors is an integer number (3833145600).

Almost surely, 2^20442002402 is an apocalyptic number.

20442002402 is a deficient number, since it is larger than the sum of its proper divisors (10223162398).

20442002402 is a wasteful number, since it uses less digits than its factorization.

20442002402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720400.

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 20442002402 its reverse (20420024402), we get a palindrome (40862026804).

The spelling of 20442002402 in words is "twenty billion, four hundred forty-two million, two thousand, four hundred two".