210002020122020 has 24 divisors (see below), whose sum is σ = 504004848293184. Its totient is φ = 72000692613216.

The previous prime is 210002020121911. The next prime is 210002020122049. The reversal of 210002020122020 is 20221020200012.

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

It is a junction number, because it is equal to n+sod(n) for n = 210002020121986 and 210002020122004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 750007214582 + ... + 750007214861.

It is an arithmetic number, because the mean of its divisors is an integer number (21000202012216).

Almost surely, 2^{210002020122020} is an apocalyptic number.

210002020122020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210002020122020 is an abundant number, since it is smaller than the sum of its proper divisors (294002828171164).

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

210002020122020 is a wasteful number, since it uses less digits than its factorization.

210002020122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500014429459 (or 1500014429457 counting only the distinct ones).

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

Adding to 210002020122020 its reverse (20221020200012), we get a palindrome (230223040322032).

The spelling of 210002020122020 in words is "two hundred ten trillion, two billion, twenty million, one hundred twenty-two thousand, twenty".