243050220502 has 4 divisors (see below), whose sum is σ = 364575330756. Its totient is φ = 121525110250.

The previous prime is 243050220467. The next prime is 243050220503. The reversal of 243050220502 is 205022050342.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 205022050342 = 2 ⋅102511025171.

It is a super-2 number, since 2×243050220502² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243050220503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60762555124 + ... + 60762555127.

It is an arithmetic number, because the mean of its divisors is an integer number (91143832689).

Almost surely, 2^243050220502 is an apocalyptic number.

243050220502 is a deficient number, since it is larger than the sum of its proper divisors (121525110254).

243050220502 is a wasteful number, since it uses less digits than its factorization.

243050220502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121525110253.

The product of its (nonzero) digits is 4800, while the sum is 25.

Adding to 243050220502 its reverse (205022050342), we get a palindrome (448072270844).

The spelling of 243050220502 in words is "two hundred forty-three billion, fifty million, two hundred twenty thousand, five hundred two".