220801707 has 32 divisors (see below), whose sum is σ = 378485760. Its totient is φ = 126163656.

The previous prime is 220801673. The next prime is 220801727. The reversal of 220801707 is 707108022.

220801707 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220801707 - 2⁷ = 220801579 is a prime.

It is a super-2 number, since 2×220801707² = 97506787628227698, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (220801727) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8098 + ... + 22520.

It is an arithmetic number, because the mean of its divisors is an integer number (11827680).

Almost surely, 2^220801707 is an apocalyptic number.

220801707 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

220801707 is a deficient number, since it is larger than the sum of its proper divisors (157684053).

220801707 is an frugal number, since it uses more digits than its factorization.

220801707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14451 (or 14433 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 220801707 is about 14859.3979353135. The cubic root of 220801707 is about 604.4134807121.

Adding to 220801707 its reverse (707108022), we get a palindrome (927909729).

The spelling of 220801707 in words is "two hundred twenty million, eight hundred one thousand, seven hundred seven".