20372266442 has 8 divisors (see below), whose sum is σ = 33336436032. Its totient is φ = 9260121100.

The previous prime is 20372266433. The next prime is 20372266451. The reversal of 20372266442 is 24466227302.

It is an interprime number because it is at equal distance from previous prime (20372266433) and next prime (20372266451).

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

It is a junction number, because it is equal to n+sod(n) for n = 20372266396 and 20372266405.

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, 463006034 + ... + 463006077.

It is an arithmetic number, because the mean of its divisors is an integer number (4167054504).

Almost surely, 2^20372266442 is an apocalyptic number.

20372266442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20372266442 is a deficient number, since it is larger than the sum of its proper divisors (12964169590).

20372266442 is a wasteful number, since it uses less digits than its factorization.

20372266442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926012124.

The product of its (nonzero) digits is 193536, while the sum is 38.

The spelling of 20372266442 in words is "twenty billion, three hundred seventy-two million, two hundred sixty-six thousand, four hundred forty-two".