201022503000 has 384 divisors, whose sum is σ = 691610512320. Its totient is φ = 48576000000.

The previous prime is 201022502999. The next prime is 201022503043. The reversal of 201022503000 is 305220102.

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 95 ways as a sum of consecutive naturals, for example, 145562310 + ... + 145563690.

Almost surely, 2^201022503000 is an apocalyptic number.

201022503000 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 201022503000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345805256160).

201022503000 is an abundant number, since it is smaller than the sum of its proper divisors (490588009320).

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

201022503000 is a wasteful number, since it uses less digits than its factorization.

201022503000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1828 (or 1803 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

Adding to 201022503000 its reverse (305220102), we get a palindrome (201327723102).

The spelling of 201022503000 in words is "two hundred one billion, twenty-two million, five hundred three thousand".