52700220 has 60 divisors (see below), whose sum is σ = 165327624. Its totient is φ = 14052960.

The previous prime is 52700213. The next prime is 52700227. The reversal of 52700220 is 2200725.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (52700213) and next prime (52700227).

It is a tau number, because it is divible by the number of its divisors (60).

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 = 52700193 and 52700202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52700227) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14646 + ... + 17885.

Almost surely, 2^52700220 is an apocalyptic number.

It is an amenable number.

52700220 is an abundant number, since it is smaller than the sum of its proper divisors (112627404).

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

52700220 is a wasteful number, since it uses less digits than its factorization.

52700220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32552 (or 32541 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 52700220 is about 7259.4917177444. The cubic root of 52700220 is about 374.9190225150.

Adding to 52700220 its reverse (2200725), we get a palindrome (54900945).

The spelling of 52700220 in words is "fifty-two million, seven hundred thousand, two hundred twenty".