20460236142 has 8 divisors (see below), whose sum is σ = 40920472296. Its totient is φ = 6820078712.

The previous prime is 20460236141. The next prime is 20460236171. The reversal of 20460236142 is 24163206402.

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

20460236142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20460236141) 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, 1705019673 + ... + 1705019684.

It is an arithmetic number, because the mean of its divisors is an integer number (5115059037).

Almost surely, 2^20460236142 is an apocalyptic number.

20460236142 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.

20460236142 is a wasteful number, since it uses less digits than its factorization.

20460236142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3410039362.

The product of its (nonzero) digits is 13824, while the sum is 30.

The spelling of 20460236142 in words is "twenty billion, four hundred sixty million, two hundred thirty-six thousand, one hundred forty-two".