220120220021210 has 16 divisors (see below), whose sum is σ = 396521882874216. Its totient is φ = 87980202044928.

The previous prime is 220120220021171. The next prime is 220120220021243. The reversal of 220120220021210 is 12120022021022.

It is a happy number.

220120220021210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 218094326112289 + 2025893908921 = 14768017^2 + 1423339^2 .

It is a super-2 number, since 2×220120220021210² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8485731827 + ... + 8485757766.

Almost surely, 2^{220120220021210} is an apocalyptic number.

220120220021210 is a deficient number, since it is larger than the sum of its proper divisors (176401662853006).

220120220021210 is a wasteful number, since it uses less digits than its factorization.

220120220021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16971490897.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 220120220021210 its reverse (12120022021022), we get a palindrome (232240242042232).

The spelling of 220120220021210 in words is "two hundred twenty trillion, one hundred twenty billion, two hundred twenty million, twenty-one thousand, two hundred ten".