201020010402 has 32 divisors (see below), whose sum is σ = 408759607872. Its totient is φ = 65895881984.

The previous prime is 201020010391. The next prime is 201020010553. The reversal of 201020010402 is 204010020102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1054803 + ... + 1230710.

It is an arithmetic number, because the mean of its divisors is an integer number (12773737746).

Almost surely, 2^201020010402 is an apocalyptic number.

201020010402 is an abundant number, since it is smaller than the sum of its proper divisors (207739597470).

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

201020010402 is a wasteful number, since it uses less digits than its factorization.

201020010402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2285762.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 201020010402 its reverse (204010020102), we get a palindrome (405030030504).

The spelling of 201020010402 in words is "two hundred one billion, twenty million, ten thousand, four hundred two".