20827627342 has 4 divisors (see below), whose sum is σ = 31241441016. Its totient is φ = 10413813670.

The previous prime is 20827627307. The next prime is 20827627343. The reversal of 20827627342 is 24372672802.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20827627343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5206906834 + ... + 5206906837.

It is an arithmetic number, because the mean of its divisors is an integer number (7810360254).

Almost surely, 2^20827627342 is an apocalyptic number.

20827627342 is a deficient number, since it is larger than the sum of its proper divisors (10413813674).

20827627342 is a wasteful number, since it uses less digits than its factorization.

20827627342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10413813673.

The product of its (nonzero) digits is 451584, while the sum is 43.

The spelling of 20827627342 in words is "twenty billion, eight hundred twenty-seven million, six hundred twenty-seven thousand, three hundred forty-two".