51120202 has 8 divisors (see below), whose sum is σ = 87634656. Its totient is φ = 21908652.

The previous prime is 51120149. The next prime is 51120211. The reversal of 51120202 is 20202115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×51120202² = 5226550105041608, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1825708 + ... + 1825735.

It is an arithmetic number, because the mean of its divisors is an integer number (10954332).

Almost surely, 2^51120202 is an apocalyptic number.

51120202 is a deficient number, since it is larger than the sum of its proper divisors (36514454).

51120202 is a wasteful number, since it uses less digits than its factorization.

51120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3651452.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 51120202 is about 7149.8392988934. The cubic root of 51120202 is about 371.1340951804.

Adding to 51120202 its reverse (20202115), we get a palindrome (71322317).

It can be divided in two parts, 51120 and 202, that multiplied together give a triangular number (10326240 = T₄₅₄₄).

The spelling of 51120202 in words is "fifty-one million, one hundred twenty thousand, two hundred two".