201420134010 has 96 divisors (see below), whose sum is σ = 534352330512. Its totient is φ = 52625571840.

The previous prime is 201420133979. The next prime is 201420134021. The reversal of 201420134010 is 10431024102.

201420134010 is a `hidden beast` number, since 201 + 420 + 1 + 3 + 40 + 1 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 65234778921 + 136185355089 = 255411^2 + 369033^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1339552 + ... + 1482308.

Almost surely, 2^201420134010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201420134010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267176165256).

201420134010 is an abundant number, since it is smaller than the sum of its proper divisors (332932196502).

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

201420134010 is a wasteful number, since it uses less digits than its factorization.

201420134010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143088 (or 143085 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 201420134010 its reverse (10431024102), we get a palindrome (211851158112).

The spelling of 201420134010 in words is "two hundred one billion, four hundred twenty million, one hundred thirty-four thousand, ten".