235251002000 has 160 divisors (see below), whose sum is σ = 671071524864. Its totient is φ = 78055488000.

The previous prime is 235251001991. The next prime is 235251002039. The reversal of 235251002000 is 200152532.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162974 + ... + 705026.

Almost surely, 2^235251002000 is an apocalyptic number.

235251002000 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 235251002000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335535762432).

235251002000 is an abundant number, since it is smaller than the sum of its proper divisors (435820522864).

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

235251002000 is a wasteful number, since it uses less digits than its factorization.

235251002000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542114 (or 542098 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

Adding to 235251002000 its reverse (200152532), we get a palindrome (235451154532).

The spelling of 235251002000 in words is "two hundred thirty-five billion, two hundred fifty-one million, two thousand".