20142368 has 12 divisors (see below), whose sum is σ = 39655350. Its totient is φ = 10071168.

The previous prime is 20142359. The next prime is 20142377. The reversal of 20142368 is 86324102.

It is an interprime number because it is at equal distance from previous prime (20142359) and next prime (20142377).

It can be written as a sum of positive squares in only one way, i.e., 18215824 + 1926544 = 4268^2 + 1388^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314693 + ... + 314756.

Almost surely, 2^20142368 is an apocalyptic number.

It is an amenable number.

20142368 is a deficient number, since it is larger than the sum of its proper divisors (19512982).

20142368 is an equidigital number, since it uses as much as digits as its factorization.

20142368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629459 (or 629451 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 20142368 is about 4488.0249553673. The cubic root of 20142368 is about 272.0843164209.

The spelling of 20142368 in words is "twenty million, one hundred forty-two thousand, three hundred sixty-eight".