205346972 has 6 divisors (see below), whose sum is σ = 359357208. Its totient is φ = 102673484.

The previous prime is 205346969. The next prime is 205346987. The reversal of 205346972 is 279643502.

205346972 is digitally balanced in base 2, base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

205346972 is strictly pandigital in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25668368 + ... + 25668375.

It is an arithmetic number, because the mean of its divisors is an integer number (59892868).

Almost surely, 2^205346972 is an apocalyptic number.

It is an amenable number.

205346972 is a deficient number, since it is larger than the sum of its proper divisors (154010236).

205346972 is a wasteful number, since it uses less digits than its factorization.

205346972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51336747 (or 51336745 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 205346972 is about 14329.9327283836. The cubic root of 205346972 is about 589.9693290577.

The spelling of 205346972 in words is "two hundred five million, three hundred forty-six thousand, nine hundred seventy-two".