20262044220420 has 96 divisors (see below), whose sum is σ = 57805645863168. Its totient is φ = 5301129180672.

The previous prime is 20262044220409. The next prime is 20262044220427. The reversal of 20262044220420 is 2402244026202.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (20262044220427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209949417 + ... + 210045903.

It is an arithmetic number, because the mean of its divisors is an integer number (602142144408).

Almost surely, 2^{20262044220420} is an apocalyptic number.

20262044220420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20262044220420 is an abundant number, since it is smaller than the sum of its proper divisors (37543601642748).

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

20262044220420 is a wasteful number, since it uses less digits than its factorization.

20262044220420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162589 (or 162587 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 20262044220420 its reverse (2402244026202), we get a palindrome (22664288246622).

The spelling of 20262044220420 in words is "twenty trillion, two hundred sixty-two billion, forty-four million, two hundred twenty thousand, four hundred twenty".