20140552344 has 64 divisors (see below), whose sum is σ = 56268535680. Its totient is φ = 5954336000.

The previous prime is 20140552343. The next prime is 20140552381. The reversal of 20140552344 is 44325504102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20140552343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 919542 + ... + 941189.

It is an arithmetic number, because the mean of its divisors is an integer number (879195870).

Almost surely, 2^20140552344 is an apocalyptic number.

20140552344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20140552344 is an abundant number, since it is smaller than the sum of its proper divisors (36127983336).

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

20140552344 is a wasteful number, since it uses less digits than its factorization.

20140552344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860792 (or 1860788 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The spelling of 20140552344 in words is "twenty billion, one hundred forty million, five hundred fifty-two thousand, three hundred forty-four".