20142312550 has 48 divisors (see below), whose sum is σ = 37738522080. Its totient is φ = 7998172160.

The previous prime is 20142312511. The next prime is 20142312551. The reversal of 20142312550 is 5521324102.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20142312551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10662006 + ... + 10663894.

It is an arithmetic number, because the mean of its divisors is an integer number (786219210).

Almost surely, 2^20142312550 is an apocalyptic number.

20142312550 is a deficient number, since it is larger than the sum of its proper divisors (17596209530).

20142312550 is a wasteful number, since it uses less digits than its factorization.

20142312550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3345 (or 3340 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 20142312550 its reverse (5521324102), we get a palindrome (25663636652).

The spelling of 20142312550 in words is "twenty billion, one hundred forty-two million, three hundred twelve thousand, five hundred fifty".