20202342212040 has 64 divisors (see below), whose sum is σ = 60607364045760. Its totient is φ = 5387261264640.

The previous prime is 20202342212029. The next prime is 20202342212053. The reversal of 20202342212040 is 4021224320202.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 20202342212040.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28719730 + ... + 29414750.

It is an arithmetic number, because the mean of its divisors is an integer number (946990063215).

Almost surely, 2^{20202342212040} is an apocalyptic number.

20202342212040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20202342212040 is an abundant number, since it is smaller than the sum of its proper divisors (40405021833720).

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

20202342212040 is a wasteful number, since it uses less digits than its factorization.

20202342212040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937262 (or 937258 counting only the distinct ones).

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

Adding to 20202342212040 its reverse (4021224320202), we get a palindrome (24223566532242).

The spelling of 20202342212040 in words is "twenty trillion, two hundred two billion, three hundred forty-two million, two hundred twelve thousand, forty".