20337827642 has 8 divisors (see below), whose sum is σ = 33280081632. Its totient is φ = 9244467100.

The previous prime is 20337827621. The next prime is 20337827647. The reversal of 20337827642 is 24672873302.

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 = 20337827593 and 20337827602.

It is not an unprimeable number, because it can be changed into a prime (20337827647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462223334 + ... + 462223377.

It is an arithmetic number, because the mean of its divisors is an integer number (4160010204).

Almost surely, 2^20337827642 is an apocalyptic number.

20337827642 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20337827642 is a deficient number, since it is larger than the sum of its proper divisors (12942253990).

20337827642 is a wasteful number, since it uses less digits than its factorization.

20337827642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924446724.

The product of its (nonzero) digits is 677376, while the sum is 44.

The spelling of 20337827642 in words is "twenty billion, three hundred thirty-seven million, eight hundred twenty-seven thousand, six hundred forty-two".