20246002442 has 8 divisors (see below), whose sum is σ = 30523161636. Its totient is φ = 10071615232.

The previous prime is 20246002433. The next prime is 20246002453. The reversal of 20246002442 is 24420064202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20198378641 + 47623801 = 142121^2 + 6901^2 .

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

It is a super-2 number, since 2×20246002442² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25692503 + ... + 25693290.

Almost surely, 2^20246002442 is an apocalyptic number.

20246002442 is a deficient number, since it is larger than the sum of its proper divisors (10277159194).

20246002442 is a wasteful number, since it uses less digits than its factorization.

20246002442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51385992.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 20246002442 its reverse (24420064202), we get a palindrome (44666066644).

The spelling of 20246002442 in words is "twenty billion, two hundred forty-six million, two thousand, four hundred forty-two".