20211012020204 has 48 divisors (see below), whose sum is σ = 38678090685696. Its totient is φ = 9199442688000.

The previous prime is 20211012020201. The next prime is 20211012020209. The reversal of 20211012020204 is 40202021011202.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (20211012020201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1526654 + ... + 6538554.

It is an arithmetic number, because the mean of its divisors is an integer number (805793555952).

Almost surely, 2^{20211012020204} is an apocalyptic number.

It is an amenable number.

20211012020204 is a deficient number, since it is larger than the sum of its proper divisors (18467078665492).

20211012020204 is a wasteful number, since it uses less digits than its factorization.

20211012020204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5013866 (or 5013864 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20211012020204 its reverse (40202021011202), we get a palindrome (60413033031406).

The spelling of 20211012020204 in words is "twenty trillion, two hundred eleven billion, twelve million, twenty thousand, two hundred four".