20211220000202 has 64 divisors (see below), whose sum is σ = 37838490024960. Its totient is φ = 7865988547200.

The previous prime is 20211220000189. The next prime is 20211220000241. The reversal of 20211220000202 is 20200002211202.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 572684177 + ... + 572719467.

It is an arithmetic number, because the mean of its divisors is an integer number (591226406640).

Almost surely, 2^{20211220000202} is an apocalyptic number.

20211220000202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20211220000202 is a deficient number, since it is larger than the sum of its proper divisors (17627270024758).

20211220000202 is a wasteful number, since it uses less digits than its factorization.

20211220000202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39227.

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

Adding to 20211220000202 its reverse (20200002211202), we get a palindrome (40411222211404).

The spelling of 20211220000202 in words is "twenty trillion, two hundred eleven billion, two hundred twenty million, two hundred two", and thus it is an aban number.