220302506900 has 36 divisors (see below), whose sum is σ = 546350218848. Its totient is φ = 75532287840.

The previous prime is 220302506899. The next prime is 220302506947. The reversal of 220302506900 is 9605203022.

It is a super-2 number, since 2×220302506900² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 157358234 + ... + 157359633.

It is an arithmetic number, because the mean of its divisors is an integer number (15176394968).

Almost surely, 2^220302506900 is an apocalyptic number.

220302506900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220302506900 is an abundant number, since it is smaller than the sum of its proper divisors (326047711948).

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

220302506900 is a wasteful number, since it uses less digits than its factorization.

220302506900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314717888 (or 314717881 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

Adding to 220302506900 its reverse (9605203022), we get a palindrome (229907709922).

The spelling of 220302506900 in words is "two hundred twenty billion, three hundred two million, five hundred six thousand, nine hundred".