61214020 has 24 divisors (see below), whose sum is σ = 146913984. Its totient is φ = 20987616.

The previous prime is 61214011. The next prime is 61214047. The reversal of 61214020 is 2041216.

It is a junction number, because it is equal to n+sod(n) for n = 61213985 and 61214003.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 218482 + ... + 218761.

It is an arithmetic number, because the mean of its divisors is an integer number (6121416).

Almost surely, 2^61214020 is an apocalyptic number.

It is an amenable number.

61214020 is an abundant number, since it is smaller than the sum of its proper divisors (85699964).

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

61214020 is a wasteful number, since it uses less digits than its factorization.

61214020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437259 (or 437257 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 61214020 is about 7823.9389056919. The cubic root of 61214020 is about 394.1095575153.

Adding to 61214020 its reverse (2041216), we get a palindrome (63255236).

The spelling of 61214020 in words is "sixty-one million, two hundred fourteen thousand, twenty".