201553024553320 has 32 divisors (see below), whose sum is σ = 494721060268320. Its totient is φ = 73292008928320.

The previous prime is 201553024553303. The next prime is 201553024553323. The reversal of 201553024553320 is 23355420355102.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (201553024553323) 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, 229037527462 + ... + 229037528341.

It is an arithmetic number, because the mean of its divisors is an integer number (15460033133385).

Almost surely, 2^{201553024553320} is an apocalyptic number.

201553024553320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201553024553320 is an abundant number, since it is smaller than the sum of its proper divisors (293168035715000).

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

201553024553320 is a wasteful number, since it uses less digits than its factorization.

201553024553320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458075055825 (or 458075055821 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 40.

The spelling of 201553024553320 in words is "two hundred one trillion, five hundred fifty-three billion, twenty-four million, five hundred fifty-three thousand, three hundred twenty".