20020019822 has 32 divisors (see below), whose sum is σ = 33327189504. Its totient is φ = 8943105600.

The previous prime is 20020019783. The next prime is 20020019839. The reversal of 20020019822 is 22891002002.

It is a junction number, because it is equal to n+sod(n) for n = 20020019791 and 20020019800.

It is a congruent number.

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, 619538 + ... + 651050.

It is an arithmetic number, because the mean of its divisors is an integer number (1041474672).

Almost surely, 2^20020019822 is an apocalyptic number.

20020019822 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20020019822 is a deficient number, since it is larger than the sum of its proper divisors (13307169682).

20020019822 is a wasteful number, since it uses less digits than its factorization.

20020019822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32024.

The product of its (nonzero) digits is 1152, while the sum is 26.

It can be divided in two parts, 200200 and 19822, that added together give a palindrome (220022).

The spelling of 20020019822 in words is "twenty billion, twenty million, nineteen thousand, eight hundred twenty-two".