1020220220210 has 32 divisors (see below), whose sum is σ = 1944815478192. Its totient is φ = 384004730880.

The previous prime is 1020220220207. The next prime is 1020220220221. The reversal of 1020220220210 is 120220220201.

It can be written as a sum of positive squares in 8 ways, for example, as 797758007929 + 222462212281 = 893173^2 + 471659^2 .

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, 230330 + ... + 1446890.

Almost surely, 2^{1020220220210} is an apocalyptic number.

1020220220210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020220220210 is a deficient number, since it is larger than the sum of its proper divisors (924595257982).

1020220220210 is a wasteful number, since it uses less digits than its factorization.

1020220220210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221518.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1020220220210 its reverse (120220220201), we get a palindrome (1140440440411).

Subtracting from 1020220220210 its reverse (120220220201), we obtain a palindrome (900000000009).

The spelling of 1020220220210 in words is "one trillion, twenty billion, two hundred twenty million, two hundred twenty thousand, two hundred ten".