61063020 has 36 divisors (see below), whose sum is σ = 185225040. Its totient is φ = 16283424.

The previous prime is 61063003. The next prime is 61063021. The reversal of 61063020 is 2036016.

It is a happy number.

61063020 is a `hidden beast` number, since 6 + 10 + 630 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 61062984 and 61063002.

It is not an unprimeable number, because it can be changed into a prime (61063021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169440 + ... + 169799.

It is an arithmetic number, because the mean of its divisors is an integer number (5145140).

Almost surely, 2^61063020 is an apocalyptic number.

61063020 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61063020 is an abundant number, since it is smaller than the sum of its proper divisors (124162020).

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

61063020 is a wasteful number, since it uses less digits than its factorization.

61063020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339254 (or 339249 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 61063020 is about 7814.2830765208. The cubic root of 61063020 is about 393.7852334307.

Adding to 61063020 its reverse (2036016), we get a palindrome (63099036).

The spelling of 61063020 in words is "sixty-one million, sixty-three thousand, twenty".