62220720 has 80 divisors (see below), whose sum is σ = 199130112. Its totient is φ = 16055040.

The previous prime is 62220713. The next prime is 62220721. The reversal of 62220720 is 2702226.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (62220721) 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, 3259 + ... + 11621.

Almost surely, 2^62220720 is an apocalyptic number.

62220720 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 62220720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99565056).

62220720 is an abundant number, since it is smaller than the sum of its proper divisors (136909392).

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

62220720 is a wasteful number, since it uses less digits than its factorization.

62220720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8410 (or 8404 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 62220720 is about 7888.0111561787. The cubic root of 62220720 is about 396.2582745306.

Adding to 62220720 its reverse (2702226), we get a palindrome (64922946).

The spelling of 62220720 in words is "sixty-two million, two hundred twenty thousand, seven hundred twenty".