20022000211020 has 384 divisors, whose sum is σ = 59309760384000. Its totient is φ = 5039282913280.

The previous prime is 20022000211009. The next prime is 20022000211039. The reversal of 20022000211020 is 2011200022002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 20022000210987 and 20022000211005.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 20619979135 + ... + 20619980105.

It is an arithmetic number, because the mean of its divisors is an integer number (154452501000).

Almost surely, 2^{20022000211020} is an apocalyptic number.

20022000211020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20022000211020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29654880192000).

20022000211020 is an abundant number, since it is smaller than the sum of its proper divisors (39287760172980).

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

20022000211020 is a wasteful number, since it uses less digits than its factorization.

20022000211020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1993 (or 1991 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20022000211020 its reverse (2011200022002), we get a palindrome (22033200233022).

The spelling of 20022000211020 in words is "twenty trillion, twenty-two billion, two hundred eleven thousand, twenty".