61020236 has 12 divisors (see below), whose sum is σ = 107230200. Its totient is φ = 30383040.

The previous prime is 61020233. The next prime is 61020247. The reversal of 61020236 is 63202016.

It is not an unprimeable number, because it can be changed into a prime (61020233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30686 + ... + 32613.

It is an arithmetic number, because the mean of its divisors is an integer number (8935850).

Almost surely, 2^61020236 is an apocalyptic number.

It is an amenable number.

61020236 is a deficient number, since it is larger than the sum of its proper divisors (46209964).

61020236 is a wasteful number, since it uses less digits than its factorization.

61020236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63544 (or 63542 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 61020236 is about 7811.5450456360. The cubic root of 61020236 is about 393.6932429823.

The spelling of 61020236 in words is "sixty-one million, twenty thousand, two hundred thirty-six".