201324001020 has 24 divisors (see below), whose sum is σ = 563707203024. Its totient is φ = 53686400256.

The previous prime is 201324000937. The next prime is 201324001031. The reversal of 201324001020 is 20100423102.

It is a super-2 number, since 2×201324001020² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1677699949 + ... + 1677700068.

It is an arithmetic number, because the mean of its divisors is an integer number (23487800126).

Almost surely, 2^201324001020 is an apocalyptic number.

201324001020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201324001020 is an abundant number, since it is smaller than the sum of its proper divisors (362383202004).

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

201324001020 is a wasteful number, since it uses less digits than its factorization.

201324001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3355400029 (or 3355400027 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 201324001020 its reverse (20100423102), we get a palindrome (221424424122).

The spelling of 201324001020 in words is "two hundred one billion, three hundred twenty-four million, one thousand, twenty".