20552435444310 has 64 divisors (see below), whose sum is σ = 61497157492224. Its totient is φ = 4270635936000.

The previous prime is 20552435444207. The next prime is 20552435444341. The reversal of 20552435444310 is 1344453425502.

It is a super-2 number, since 2×20552435444310² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4448576791 + ... + 4448581410.

It is an arithmetic number, because the mean of its divisors is an integer number (960893085816).

Almost surely, 2^{20552435444310} is an apocalyptic number.

20552435444310 is an abundant number, since it is smaller than the sum of its proper divisors (40944722047914).

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

20552435444310 is a wasteful number, since it uses less digits than its factorization.

20552435444310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8897158229.

The product of its (nonzero) digits is 1152000, while the sum is 42.

Adding to 20552435444310 its reverse (1344453425502), we get a palindrome (21896888869812).

The spelling of 20552435444310 in words is "twenty trillion, five hundred fifty-two billion, four hundred thirty-five million, four hundred forty-four thousand, three hundred ten".