20420021413310 has 32 divisors (see below), whose sum is σ = 39390725224512. Its totient is φ = 7601718896640.

The previous prime is 20420021413307. The next prime is 20420021413357. The reversal of 20420021413310 is 1331412002402.

It is a super-2 number, since 2×20420021413310² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1199757731 + ... + 1199774750.

It is an arithmetic number, because the mean of its divisors is an integer number (1230960163266).

Almost surely, 2^{20420021413310} is an apocalyptic number.

20420021413310 is a deficient number, since it is larger than the sum of its proper divisors (18970703811202).

20420021413310 is a wasteful number, since it uses less digits than its factorization.

20420021413310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2399532548.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 20420021413310 its reverse (1331412002402), we get a palindrome (21751433415712).

The spelling of 20420021413310 in words is "twenty trillion, four hundred twenty billion, twenty-one million, four hundred thirteen thousand, three hundred ten".