20020011220210 has 64 divisors (see below), whose sum is σ = 38379790072800. Its totient is φ = 7504502003712.

The previous prime is 20020011220199. The next prime is 20020011220249. The reversal of 20020011220210 is 1202211002002.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 10401844085721 + 9618167134489 = 3225189^2 + 3101317^2 .

It is a super-2 number, since 2×20020011220210² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2107644 + ... + 6669496.

Almost surely, 2^{20020011220210} is an apocalyptic number.

20020011220210 is a deficient number, since it is larger than the sum of its proper divisors (18359778852590).

20020011220210 is a wasteful number, since it uses less digits than its factorization.

20020011220210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4562335.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20020011220210 its reverse (1202211002002), we get a palindrome (21222222222212).

The spelling of 20020011220210 in words is "twenty trillion, twenty billion, eleven million, two hundred twenty thousand, two hundred ten".