20202111021000 has 64 divisors (see below), whose sum is σ = 63030586394880. Its totient is φ = 5387229604800.

The previous prime is 20202111020989. The next prime is 20202111021017. The reversal of 20202111021000 is 12011120202.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 3367015504 + ... + 3367021503.

It is an arithmetic number, because the mean of its divisors is an integer number (984852912420).

Almost surely, 2^{20202111021000} is an apocalyptic number.

20202111021000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20202111021000 is an abundant number, since it is smaller than the sum of its proper divisors (42828475373880).

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

20202111021000 is a wasteful number, since it uses less digits than its factorization.

20202111021000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6734037031 (or 6734037017 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20202111021000 its reverse (12011120202), we get a palindrome (20214122141202).

The spelling of 20202111021000 in words is "twenty trillion, two hundred two billion, one hundred eleven million, twenty-one thousand".