20246231442 has 8 divisors (see below), whose sum is σ = 40492462896. Its totient is φ = 6748743812.

The previous prime is 20246231393. The next prime is 20246231449. The reversal of 20246231442 is 24413264202.

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

20246231442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (20246231449) 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, 1687185948 + ... + 1687185959.

It is an arithmetic number, because the mean of its divisors is an integer number (5061557862).

Almost surely, 2^20246231442 is an apocalyptic number.

20246231442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20246231442 is a wasteful number, since it uses less digits than its factorization.

20246231442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3374371912.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 20246231442 its reverse (24413264202), we get a palindrome (44659495644).

The spelling of 20246231442 in words is "twenty billion, two hundred forty-six million, two hundred thirty-one thousand, four hundred forty-two".