20202020220210 has 32 divisors (see below), whose sum is σ = 48484979246592. Its totient is φ = 5387190867840.

The previous prime is 20202020220209. The next prime is 20202020220211. The reversal of 20202020220210 is 1202202020202.

It is an interprime number because it is at equal distance from previous prime (20202020220209) and next prime (20202020220211).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20202020220210.

It is not an unprimeable number, because it can be changed into a prime (20202020220211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14941470 + ... + 16237350.

It is an arithmetic number, because the mean of its divisors is an integer number (1515155601456).

Almost surely, 2^{20202020220210} is an apocalyptic number.

20202020220210 is an abundant number, since it is smaller than the sum of its proper divisors (28282959026382).

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

20202020220210 is a wasteful number, since it uses less digits than its factorization.

20202020220210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1815538.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 20202020220210 its reverse (1202202020202), we get a palindrome (21404222240412).

The spelling of 20202020220210 in words is "twenty trillion, two hundred two billion, twenty million, two hundred twenty thousand, two hundred ten".