20213401012402 has 16 divisors (see below), whose sum is σ = 33347149299072. Its totient is φ = 9130767068880.

The previous prime is 20213401012369. The next prime is 20213401012403. The reversal of 20213401012402 is 20421010431202.

It is not an unprimeable number, because it can be changed into a prime (20213401012403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8270621124 + ... + 8270623567.

It is an arithmetic number, because the mean of its divisors is an integer number (2084196831192).

Almost surely, 2^{20213401012402} is an apocalyptic number.

20213401012402 is a deficient number, since it is larger than the sum of its proper divisors (13133748286670).

20213401012402 is a wasteful number, since it uses less digits than its factorization.

20213401012402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16541244753.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 20213401012402 its reverse (20421010431202), we get a palindrome (40634411443604).

The spelling of 20213401012402 in words is "twenty trillion, two hundred thirteen billion, four hundred one million, twelve thousand, four hundred two".