205062355020 has 48 divisors (see below), whose sum is σ = 577089219168. Its totient is φ = 54405711360.

The previous prime is 205062354977. The next prime is 205062355033. The reversal of 205062355020 is 20553260502.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 8662561 + ... + 8686200.

It is an arithmetic number, because the mean of its divisors is an integer number (12022692066).

Almost surely, 2^205062355020 is an apocalyptic number.

205062355020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

205062355020 is an abundant number, since it is smaller than the sum of its proper divisors (372026864148).

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

205062355020 is a wasteful number, since it uses less digits than its factorization.

205062355020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17348970 (or 17348968 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The spelling of 205062355020 in words is "two hundred five billion, sixty-two million, three hundred fifty-five thousand, twenty".