62540220 has 48 divisors (see below), whose sum is σ = 182730240. Its totient is φ = 15951936.

The previous prime is 62540209. The next prime is 62540227. The reversal of 62540220 is 2204526.

It is a super-2 number, since 2×62540220² = 7822558235296800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (62540227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21280 + ... + 24039.

It is an arithmetic number, because the mean of its divisors is an integer number (3806880).

Almost surely, 2^62540220 is an apocalyptic number.

62540220 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

62540220 is an abundant number, since it is smaller than the sum of its proper divisors (120190020).

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

62540220 is a wasteful number, since it uses less digits than its factorization.

62540220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45354 (or 45352 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 62540220 is about 7908.2374774661. The cubic root of 62540220 is about 396.9353717653.

Adding to 62540220 its reverse (2204526), we get a palindrome (64744746).

The spelling of 62540220 in words is "sixty-two million, five hundred forty thousand, two hundred twenty".