20212113310402 has 16 divisors (see below), whose sum is σ = 32663237164992. Its totient is φ = 9324981887760.

The previous prime is 20212113310399. The next prime is 20212113310427. The reversal of 20212113310402 is 20401331121202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153507678 + ... + 153639289.

It is an arithmetic number, because the mean of its divisors is an integer number (2041452322812).

Almost surely, 2^{20212113310402} is an apocalyptic number.

20212113310402 is a deficient number, since it is larger than the sum of its proper divisors (12451123854590).

20212113310402 is a wasteful number, since it uses less digits than its factorization.

20212113310402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307149513.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 20212113310402 its reverse (20401331121202), we get a palindrome (40613444431604).

The spelling of 20212113310402 in words is "twenty trillion, two hundred twelve billion, one hundred thirteen million, three hundred ten thousand, four hundred two".