20020012212210 has 32 divisors (see below), whose sum is σ = 48048644430720. Its totient is φ = 5338601576448.

The previous prime is 20020012212173. The next prime is 20020012212223. The reversal of 20020012212210 is 1221221002002.

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 20020012212210.

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, 1867087 + ... + 6597426.

It is an arithmetic number, because the mean of its divisors is an integer number (1501520138460).

Almost surely, 2^{20020012212210} is an apocalyptic number.

20020012212210 is an abundant number, since it is smaller than the sum of its proper divisors (28028632218510).

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

20020012212210 is a wasteful number, since it uses less digits than its factorization.

20020012212210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8543362.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20020012212210 its reverse (1221221002002), we get a palindrome (21241233214212).

The spelling of 20020012212210 in words is "twenty trillion, twenty billion, twelve million, two hundred twelve thousand, two hundred ten".