20688141348 has 36 divisors (see below), whose sum is σ = 59765742400. Its totient is φ = 5910897456.

The previous prime is 20688141319. The next prime is 20688141367. The reversal of 20688141348 is 84314188602.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41047648 + ... + 41048151.

Almost surely, 2^20688141348 is an apocalyptic number.

20688141348 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20688141348 is an abundant number, since it is smaller than the sum of its proper divisors (39077601052).

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

20688141348 is a wasteful number, since it uses less digits than its factorization.

20688141348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82095816 (or 82095811 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The spelling of 20688141348 in words is "twenty billion, six hundred eighty-eight million, one hundred forty-one thousand, three hundred forty-eight".