20374661337340 has 24 divisors (see below), whose sum is σ = 42854596741152. Its totient is φ = 8136948738240.

The previous prime is 20374661337307. The next prime is 20374661337353. The reversal of 20374661337340 is 4373316647302.

It is a super-2 number, since 2×20374661337340² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 807224359 + ... + 807249598.

It is an arithmetic number, because the mean of its divisors is an integer number (1785608197548).

Almost surely, 2^{20374661337340} is an apocalyptic number.

20374661337340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20374661337340 is an abundant number, since it is smaller than the sum of its proper divisors (22479935403812).

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

20374661337340 is a wasteful number, since it uses less digits than its factorization.

20374661337340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614474597 (or 1614474595 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 49.

The spelling of 20374661337340 in words is "twenty trillion, three hundred seventy-four billion, six hundred sixty-one million, three hundred thirty-seven thousand, three hundred forty".