201793620 has 48 divisors (see below), whose sum is σ = 645740928. Its totient is φ = 46124160.

The previous prime is 201793619. The next prime is 201793637. The reversal of 201793620 is 26397102.

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

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, 239811 + ... + 240650.

It is an arithmetic number, because the mean of its divisors is an integer number (13452936).

Almost surely, 2^201793620 is an apocalyptic number.

201793620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201793620 is an abundant number, since it is smaller than the sum of its proper divisors (443947308).

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

201793620 is a wasteful number, since it uses less digits than its factorization.

201793620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480480 (or 480478 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 201793620 is about 14205.4081250769. The cubic root of 201793620 is about 586.5465397695.

The spelling of 201793620 in words is "two hundred one million, seven hundred ninety-three thousand, six hundred twenty".