20142246624 has 24 divisors (see below), whose sum is σ = 52873397640. Its totient is φ = 6714082176.

The previous prime is 20142246589. The next prime is 20142246643. The reversal of 20142246624 is 42664224102.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104907439 + ... + 104907630.

It is an arithmetic number, because the mean of its divisors is an integer number (2203058235).

Almost surely, 2^20142246624 is an apocalyptic number.

20142246624 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20142246624 is an abundant number, since it is smaller than the sum of its proper divisors (32731151016).

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

20142246624 is a wasteful number, since it uses less digits than its factorization.

20142246624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209815082 (or 209815074 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

The spelling of 20142246624 in words is "twenty billion, one hundred forty-two million, two hundred forty-six thousand, six hundred twenty-four".