201124020030 has 32 divisors (see below), whose sum is σ = 503684504064. Its totient is φ = 51301199136.

The previous prime is 201124020029. The next prime is 201124020037. The reversal of 201124020030 is 30020421102.

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

It is a junction number, because it is equal to n+sod(n) for n = 201124019991 and 201124020009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201124020037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145741354 + ... + 145742733.

It is an arithmetic number, because the mean of its divisors is an integer number (15740140752).

Almost surely, 2^201124020030 is an apocalyptic number.

201124020030 is an abundant number, since it is smaller than the sum of its proper divisors (302560484034).

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

201124020030 is a wasteful number, since it uses less digits than its factorization.

201124020030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291484120.

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

Adding to 201124020030 its reverse (30020421102), we get a palindrome (231144441132).

The spelling of 201124020030 in words is "two hundred one billion, one hundred twenty-four million, twenty thousand, thirty".