7430136220 has 48 divisors (see below), whose sum is σ = 16831311840. Its totient is φ = 2738900736.

The previous prime is 7430136209. The next prime is 7430136221. The reversal of 7430136220 is 226310347.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7430136221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136071 + ... + 182689.

It is an arithmetic number, because the mean of its divisors is an integer number (350652330).

Almost surely, 2^7430136220 is an apocalyptic number.

It is an amenable number.

7430136220 is an abundant number, since it is smaller than the sum of its proper divisors (9401175620).

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

7430136220 is a wasteful number, since it uses less digits than its factorization.

7430136220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47254 (or 47252 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 7430136220 is about 86198.2379170247. The cubic root of 7430136220 is about 1951.3369065784.

Adding to 7430136220 its reverse (226310347), we get a palindrome (7656446567).

The spelling of 7430136220 in words is "seven billion, four hundred thirty million, one hundred thirty-six thousand, two hundred twenty".