20030202223220 has 48 divisors (see below), whose sum is σ = 48086789495808. Its totient is φ = 6865454453760.

The previous prime is 20030202223219. The next prime is 20030202223249. The reversal of 20030202223220 is 2232220203002.

It is a super-2 number, since 2×20030202223220² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 20030202223192 and 20030202223201.

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, 20813732 + ... + 21754811.

It is an arithmetic number, because the mean of its divisors is an integer number (1001808114496).

Almost surely, 2^{20030202223220} is an apocalyptic number.

20030202223220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20030202223220 is an abundant number, since it is smaller than the sum of its proper divisors (28056587272588).

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

20030202223220 is a wasteful number, since it uses less digits than its factorization.

20030202223220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42571920 (or 42571918 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 20030202223220 its reverse (2232220203002), we get a palindrome (22262422426222).

The spelling of 20030202223220 in words is "twenty trillion, thirty billion, two hundred two million, two hundred twenty-three thousand, two hundred twenty".