220542036 has 48 divisors (see below), whose sum is σ = 604567488. Its totient is φ = 61689600.

The previous prime is 220542019. The next prime is 220542041. The reversal of 220542036 is 630245022.

It is a junction number, because it is equal to n+sod(n) for n = 220541997 and 220542015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62545 + ... + 65976.

It is an arithmetic number, because the mean of its divisors is an integer number (12595156).

Almost surely, 2^220542036 is an apocalyptic number.

220542036 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

220542036 is an abundant number, since it is smaller than the sum of its proper divisors (384025452).

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

220542036 is a wasteful number, since it uses less digits than its factorization.

220542036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128552 (or 128550 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 220542036 is about 14850.6577632104. The cubic root of 220542036 is about 604.1764502091.

Adding to 220542036 its reverse (630245022), we get a palindrome (850787058).

It can be divided in two parts, 22054 and 2036, that added together give a triangular number (24090 = T₂₁₉).

The spelling of 220542036 in words is "two hundred twenty million, five hundred forty-two thousand, thirty-six".