20142666324 has 72 divisors (see below), whose sum is σ = 56593004832. Its totient is φ = 5988665280.

The previous prime is 20142666317. The next prime is 20142666331. The reversal of 20142666324 is 42366624102.

It is an interprime number because it is at equal distance from previous prime (20142666317) and next prime (20142666331).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 458874 + ... + 500849.

It is an arithmetic number, because the mean of its divisors is an integer number (786013956).

Almost surely, 2^20142666324 is an apocalyptic number.

It is an amenable number.

20142666324 is an abundant number, since it is smaller than the sum of its proper divisors (36450338508).

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

20142666324 is a wasteful number, since it uses less digits than its factorization.

20142666324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959797 (or 959792 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 20142666324 in words is "twenty billion, one hundred forty-two million, six hundred sixty-six thousand, three hundred twenty-four".