20000220121210 has 16 divisors (see below), whose sum is σ = 41143309963776. Its totient is φ = 6857218327248.

The previous prime is 20000220121201. The next prime is 20000220121213. The reversal of 20000220121210 is 1212102200002.

It is a happy number.

It is a super-3 number, since 3×20000220121210³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20000220121213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142858715082 + ... + 142858715221.

It is an arithmetic number, because the mean of its divisors is an integer number (2571456872736).

Almost surely, 2^{20000220121210} is an apocalyptic number.

20000220121210 is an abundant number, since it is smaller than the sum of its proper divisors (21143089842566).

20000220121210 is a wasteful number, since it uses less digits than its factorization.

20000220121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285717430317.

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

Adding to 20000220121210 its reverse (1212102200002), we get a palindrome (21212322321212).

The spelling of 20000220121210 in words is "twenty trillion, two hundred twenty million, one hundred twenty-one thousand, two hundred ten".