20403088442 has 8 divisors (see below), whose sum is σ = 33386872032. Its totient is φ = 9274131100.

The previous prime is 20403088439. The next prime is 20403088457. The reversal of 20403088442 is 24488030402.

It is a happy number.

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, 463706534 + ... + 463706577.

It is an arithmetic number, because the mean of its divisors is an integer number (4173359004).

Almost surely, 2^20403088442 is an apocalyptic number.

20403088442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20403088442 is a deficient number, since it is larger than the sum of its proper divisors (12983783590).

20403088442 is a wasteful number, since it uses less digits than its factorization.

20403088442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927413124.

The product of its (nonzero) digits is 49152, while the sum is 35.

The spelling of 20403088442 in words is "twenty billion, four hundred three million, eighty-eight thousand, four hundred forty-two".