20311446442 has 8 divisors (see below), whose sum is σ = 34819622496. Its totient is φ = 8704905612.

The previous prime is 20311446437. The next prime is 20311446451. The reversal of 20311446442 is 24464411302.

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, 725408788 + ... + 725408815.

It is an arithmetic number, because the mean of its divisors is an integer number (4352452812).

Almost surely, 2^20311446442 is an apocalyptic number.

20311446442 is a deficient number, since it is larger than the sum of its proper divisors (14508176054).

20311446442 is a wasteful number, since it uses less digits than its factorization.

20311446442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450817612.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 20311446442 its reverse (24464411302), we get a palindrome (44775857744).

The spelling of 20311446442 in words is "twenty billion, three hundred eleven million, four hundred forty-six thousand, four hundred forty-two".