204146740 has 48 divisors (see below), whose sum is σ = 499968000. Its totient is φ = 69990816.

The previous prime is 204146731. The next prime is 204146753. The reversal of 204146740 is 47641402.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 204146699 and 204146708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8020 + ... + 21739.

It is an arithmetic number, because the mean of its divisors is an integer number (10416000).

Almost surely, 2^204146740 is an apocalyptic number.

204146740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204146740 is an abundant number, since it is smaller than the sum of its proper divisors (295821260).

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

204146740 is a wasteful number, since it uses less digits than its factorization.

204146740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29789 (or 29773 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 204146740 is about 14287.9928611404. The cubic root of 204146740 is about 588.8176455617.

The spelling of 204146740 in words is "two hundred four million, one hundred forty-six thousand, seven hundred forty".