20155340141436 has 12 divisors (see below), whose sum is σ = 47029126996712. Its totient is φ = 6718446713808.

The previous prime is 20155340141401. The next prime is 20155340141471. The reversal of 20155340141436 is 63414104355102.

It is an interprime number because it is at equal distance from previous prime (20155340141401) and next prime (20155340141471).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 20155340141394 and 20155340141403.

It is a congruent number.

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, 839805839215 + ... + 839805839238.

Almost surely, 2^{20155340141436} is an apocalyptic number.

It is an amenable number.

20155340141436 is an abundant number, since it is smaller than the sum of its proper divisors (26873786855276).

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

20155340141436 is a wasteful number, since it uses less digits than its factorization.

20155340141436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1679611678460 (or 1679611678458 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

Adding to 20155340141436 its reverse (63414104355102), we get a palindrome (83569444496538).

The spelling of 20155340141436 in words is "twenty trillion, one hundred fifty-five billion, three hundred forty million, one hundred forty-one thousand, four hundred thirty-six".