202142134320 has 120 divisors (see below), whose sum is σ = 728949330864. Its totient is φ = 46203913728.

The previous prime is 202142134307. The next prime is 202142134331. The reversal of 202142134320 is 23431241202.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×202142134320² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8582719 + ... + 8606238.

Almost surely, 2^202142134320 is an apocalyptic number.

202142134320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202142134320 is an abundant number, since it is smaller than the sum of its proper divisors (526807196544).

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

202142134320 is a wasteful number, since it uses less digits than its factorization.

202142134320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17188987 (or 17188974 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 202142134320 its reverse (23431241202), we get a palindrome (225573375522).

The spelling of 202142134320 in words is "two hundred two billion, one hundred forty-two million, one hundred thirty-four thousand, three hundred twenty".