202620640402 has 8 divisors (see below), whose sum is σ = 304920964656. Its totient is φ = 100980318852.

The previous prime is 202620640333. The next prime is 202620640429. The reversal of 202620640402 is 204046026202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164999908 + ... + 165001135.

It is an arithmetic number, because the mean of its divisors is an integer number (38115120582).

Almost surely, 2^202620640402 is an apocalyptic number.

202620640402 is a deficient number, since it is larger than the sum of its proper divisors (102300324254).

202620640402 is a wasteful number, since it uses less digits than its factorization.

202620640402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330001352.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 202620640402 its reverse (204046026202), we get a palindrome (406666666604).

The spelling of 202620640402 in words is "two hundred two billion, six hundred twenty million, six hundred forty thousand, four hundred two".