202002000221020 has 48 divisors (see below), whose sum is σ = 429623428254048. Its totient is φ = 79774130831360.

The previous prime is 202002000221003. The next prime is 202002000221023. The reversal of 202002000221020 is 20122000200202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202002000221023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173312986 + ... + 174474625.

It is an arithmetic number, because the mean of its divisors is an integer number (8950488088626).

Almost surely, 2^{202002000221020} is an apocalyptic number.

202002000221020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202002000221020 is an abundant number, since it is smaller than the sum of its proper divisors (227621428033028).

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

202002000221020 is a wasteful number, since it uses less digits than its factorization.

202002000221020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347787990 (or 347787988 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 202002000221020 its reverse (20122000200202), we get a palindrome (222124000421222).

The spelling of 202002000221020 in words is "two hundred two trillion, two billion, two hundred twenty-one thousand, twenty".