20341042140 has 24 divisors (see below), whose sum is σ = 56954918160. Its totient is φ = 5424277888.

The previous prime is 20341042103. The next prime is 20341042171. The reversal of 20341042140 is 4124014302.

It is a super-4 number, since 4×20341042140⁴ (a number of 42 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169508625 + ... + 169508744.

It is an arithmetic number, because the mean of its divisors is an integer number (2373121590).

Almost surely, 2^20341042140 is an apocalyptic number.

20341042140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20341042140 is an abundant number, since it is smaller than the sum of its proper divisors (36613876020).

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

20341042140 is a wasteful number, since it uses less digits than its factorization.

20341042140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339017381 (or 339017379 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 20341042140 its reverse (4124014302), we get a palindrome (24465056442).

The spelling of 20341042140 in words is "twenty billion, three hundred forty-one million, forty-two thousand, one hundred forty".