20400202222602 has 32 divisors (see below), whose sum is σ = 40811066829312. Its totient is φ = 6798290600304.

The previous prime is 20400202222597. The next prime is 20400202222607. The reversal of 20400202222602 is 20622220200402.

It is an interprime number because it is at equal distance from previous prime (20400202222597) and next prime (20400202222607).

It is not an unprimeable number, because it can be changed into a prime (20400202222607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 436372593 + ... + 436419339.

It is an arithmetic number, because the mean of its divisors is an integer number (1275345838416).

Almost surely, 2^{20400202222602} is an apocalyptic number.

20400202222602 is an abundant number, since it is smaller than the sum of its proper divisors (20410864606710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20400202222602 is a wasteful number, since it uses less digits than its factorization.

20400202222602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64202.

The product of its (nonzero) digits is 3072, while the sum is 24.

The spelling of 20400202222602 in words is "twenty trillion, four hundred billion, two hundred two million, two hundred twenty-two thousand, six hundred two".