205900316142 has 16 divisors (see below), whose sum is σ = 425084524032. Its totient is φ = 66419456760.

The previous prime is 205900316101. The next prime is 205900316147. The reversal of 205900316142 is 241613009502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205900316147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553495288 + ... + 553495659.

It is an arithmetic number, because the mean of its divisors is an integer number (26567782752).

Almost surely, 2^205900316142 is an apocalyptic number.

205900316142 is an abundant number, since it is smaller than the sum of its proper divisors (219184207890).

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

205900316142 is a wasteful number, since it uses less digits than its factorization.

205900316142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106990983.

The product of its (nonzero) digits is 12960, while the sum is 33.

The spelling of 205900316142 in words is "two hundred five billion, nine hundred million, three hundred sixteen thousand, one hundred forty-two".