20212400421202 has 32 divisors (see below), whose sum is σ = 33152809334400. Its totient is φ = 9165797809920.

The previous prime is 20212400421163. The next prime is 20212400421221.

20212400421202 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×20212400421202² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280018788 + ... + 280090960.

It is an arithmetic number, because the mean of its divisors is an integer number (1036025291700).

Almost surely, 2^{20212400421202} is an apocalyptic number.

20212400421202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20212400421202 is a deficient number, since it is larger than the sum of its proper divisors (12940408913198).

20212400421202 is a wasteful number, since it uses less digits than its factorization.

20212400421202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102018.

The product of its (nonzero) digits is 1024, while the sum is 22.

It can be divided in two parts, 20212400 and 421202, that added together give a palindrome (20633602).

The spelling of 20212400421202 in words is "twenty trillion, two hundred twelve billion, four hundred million, four hundred twenty-one thousand, two hundred two".