201024040120 has 64 divisors (see below), whose sum is σ = 460725861600. Its totient is φ = 78925608960.

The previous prime is 201024040099. The next prime is 201024040159. The reversal of 201024040120 is 21040420102.

It is a super-2 number, since 2×201024040120² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201024040094 and 201024040103.

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, 281635 + ... + 693805.

Almost surely, 2^201024040120 is an apocalyptic number.

201024040120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201024040120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230362930800).

201024040120 is an abundant number, since it is smaller than the sum of its proper divisors (259701821480).

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

201024040120 is a wasteful number, since it uses less digits than its factorization.

201024040120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412408 (or 412404 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 201024040120 its reverse (21040420102), we get a palindrome (222064460222).

The spelling of 201024040120 in words is "two hundred one billion, twenty-four million, forty thousand, one hundred twenty".