202140320151 has 64 divisors (see below), whose sum is σ = 344399118336. Its totient is φ = 102393849600.

The previous prime is 202140320147. The next prime is 202140320231. The reversal of 202140320151 is 151023041202.

It is not a de Polignac number, because 202140320151 - 2² = 202140320147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202140322151) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23701650 + ... + 23710176.

It is an arithmetic number, because the mean of its divisors is an integer number (5381236224).

Almost surely, 2^202140320151 is an apocalyptic number.

202140320151 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

202140320151 is a deficient number, since it is larger than the sum of its proper divisors (142258798185).

202140320151 is a wasteful number, since it uses less digits than its factorization.

202140320151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11092.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 202140320151 its reverse (151023041202), we get a palindrome (353163361353).

The spelling of 202140320151 in words is "two hundred two billion, one hundred forty million, three hundred twenty thousand, one hundred fifty-one".