210506233074 has 16 divisors (see below), whose sum is σ = 421049059200. Its totient is φ = 70162645520.

The previous prime is 210506233073. The next prime is 210506233141. The reversal of 210506233074 is 470332605012.

It is a super-2 number, since 2×210506233074² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (210506233073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1449642 + ... + 1588229.

It is an arithmetic number, because the mean of its divisors is an integer number (26315566200).

Almost surely, 2^210506233074 is an apocalyptic number.

210506233074 is an abundant number, since it is smaller than the sum of its proper divisors (210542826126).

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

210506233074 is a wasteful number, since it uses less digits than its factorization.

210506233074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3049425.

The product of its (nonzero) digits is 30240, while the sum is 33.

Adding to 210506233074 its reverse (470332605012), we get a palindrome (680838838086).

The spelling of 210506233074 in words is "two hundred ten billion, five hundred six million, two hundred thirty-three thousand, seventy-four".