20142347002 has 4 divisors (see below), whose sum is σ = 30213520506. Its totient is φ = 10071173500.

The previous prime is 20142346967. The next prime is 20142347011. The reversal of 20142347002 is 20074324102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20106956401 + 35390601 = 141799^2 + 5949^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5035586749 + ... + 5035586752.

Almost surely, 2^20142347002 is an apocalyptic number.

20142347002 is a deficient number, since it is larger than the sum of its proper divisors (10071173504).

20142347002 is a wasteful number, since it uses less digits than its factorization.

20142347002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10071173503.

The product of its (nonzero) digits is 2688, while the sum is 25.

The spelling of 20142347002 in words is "twenty billion, one hundred forty-two million, three hundred forty-seven thousand, two".