20122010402 has 16 divisors (see below), whose sum is σ = 32514099072. Its totient is φ = 9284420880.

The previous prime is 20122010399. The next prime is 20122010413. The reversal of 20122010402 is 20401022102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16874 + ... + 201317.

It is an arithmetic number, because the mean of its divisors is an integer number (2032131192).

Almost surely, 2^20122010402 is an apocalyptic number.

20122010402 is a deficient number, since it is larger than the sum of its proper divisors (12392088670).

20122010402 is a wasteful number, since it uses less digits than its factorization.

20122010402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221753.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20122010402 its reverse (20401022102), we get a palindrome (40523032504).

The spelling of 20122010402 in words is "twenty billion, one hundred twenty-two million, ten thousand, four hundred two".