202620200042 has 32 divisors (see below), whose sum is σ = 336905920512. Its totient is φ = 90806534784.

The previous prime is 202620199993. The next prime is 202620200047. The reversal of 202620200042 is 240002026202.

It is a junction number, because it is equal to n+sod(n) for n = 202620199987 and 202620200023.

It is not an unprimeable number, because it can be changed into a prime (202620200047) 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, 497603 + ... + 807990.

It is an arithmetic number, because the mean of its divisors is an integer number (10528310016).

Almost surely, 2^202620200042 is an apocalyptic number.

202620200042 is a deficient number, since it is larger than the sum of its proper divisors (134285720470).

202620200042 is a wasteful number, since it uses less digits than its factorization.

202620200042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305782.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 202620200042 its reverse (240002026202), we get a palindrome (442622226244).

The spelling of 202620200042 in words is "two hundred two billion, six hundred twenty million, two hundred thousand, forty-two".