202243050020 has 96 divisors (see below), whose sum is σ = 471026102400. Its totient is φ = 72325647360.

The previous prime is 202243049993. The next prime is 202243050049. The reversal of 202243050020 is 20050342202.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 202243049974 and 202243050001.

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, 5586899 + ... + 5622981.

It is an arithmetic number, because the mean of its divisors is an integer number (4906521900).

Almost surely, 2^202243050020 is an apocalyptic number.

202243050020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202243050020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235513051200).

202243050020 is an abundant number, since it is smaller than the sum of its proper divisors (268783052380).

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

202243050020 is a wasteful number, since it uses less digits than its factorization.

202243050020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36525 (or 36523 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

Adding to 202243050020 its reverse (20050342202), we get a palindrome (222293392222).

The spelling of 202243050020 in words is "two hundred two billion, two hundred forty-three million, fifty thousand, twenty".