220011012 has 48 divisors (see below), whose sum is σ = 614279680. Its totient is φ = 67695264.

The previous prime is 220010951. The next prime is 220011047. The reversal of 220011012 is 210110022.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 220010985 and 220011003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76948 + ... + 79755.

Almost surely, 2^220011012 is an apocalyptic number.

It is an amenable number.

220011012 is an abundant number, since it is smaller than the sum of its proper divisors (394268668).

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

220011012 is a wasteful number, since it uses less digits than its factorization.

220011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156729 (or 156721 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 220011012 is about 14832.7681839905. The cubic root of 220011012 is about 603.6911458390.

Adding to 220011012 its reverse (210110022), we get a palindrome (430121034).

The spelling of 220011012 in words is "two hundred twenty million, eleven thousand, twelve".