20153743860 has 48 divisors (see below), whose sum is σ = 57955637376. Its totient is φ = 5229078912.

The previous prime is 20153743847. The next prime is 20153743871. The reversal of 20153743860 is 6834735102.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 4536912 + ... + 4541351.

It is an arithmetic number, because the mean of its divisors is an integer number (1207409112).

Almost surely, 2^20153743860 is an apocalyptic number.

20153743860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20153743860 is an abundant number, since it is smaller than the sum of its proper divisors (37801893516).

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

20153743860 is a wasteful number, since it uses less digits than its factorization.

20153743860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9078312 (or 9078310 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 20153743860 in words is "twenty billion, one hundred fifty-three million, seven hundred forty-three thousand, eight hundred sixty".