20402131041202 has 16 divisors (see below), whose sum is σ = 30665842645824. Its totient is φ = 10180190970000.

The previous prime is 20402131041157. The next prime is 20402131041211. The reversal of 20402131041202 is 20214013120402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3598627 + ... + 7331737.

It is an arithmetic number, because the mean of its divisors is an integer number (1916615165364).

Almost surely, 2^{20402131041202} is an apocalyptic number.

20402131041202 is a deficient number, since it is larger than the sum of its proper divisors (10263711604622).

20402131041202 is a wasteful number, since it uses less digits than its factorization.

20402131041202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3738705.

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

Adding to 20402131041202 its reverse (20214013120402), we get a palindrome (40616144161604).

The spelling of 20402131041202 in words is "twenty trillion, four hundred two billion, one hundred thirty-one million, forty-one thousand, two hundred two".