220212001332 has 36 divisors (see below), whose sum is σ = 556820329156. Its totient is φ = 73381144320.

The previous prime is 220212001301. The next prime is 220212001367. The reversal of 220212001332 is 233100212022.

It can be written as a sum of positive squares in 2 ways, for example, as 192217357476 + 27994643856 = 438426^2 + 167316^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 834919 + ... + 1066542.

Almost surely, 2^220212001332 is an apocalyptic number.

It is an amenable number.

220212001332 is an abundant number, since it is smaller than the sum of its proper divisors (336608327824).

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

220212001332 is a wasteful number, since it uses less digits than its factorization.

220212001332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1904688 (or 1904683 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 220212001332 its reverse (233100212022), we get a palindrome (453312213354).

The spelling of 220212001332 in words is "two hundred twenty billion, two hundred twelve million, one thousand, three hundred thirty-two".