20012030220100 has 18 divisors (see below), whose sum is σ = 43426105577834. Its totient is φ = 8004812088000.

The previous prime is 20012030220073. The next prime is 20012030220101. The reversal of 20012030220100 is 102203021002.

It can be written as a sum of positive squares in 3 ways, for example, as 2041332277504 + 17970697942596 = 1428752^2 + 4239186^2 .

It is a super-3 number, since 3×20012030220100³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20012030220101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 100060151001 + ... + 100060151200.

Almost surely, 2^{20012030220100} is an apocalyptic number.

20012030220100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20012030220100 is an abundant number, since it is smaller than the sum of its proper divisors (23414075357734).

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

20012030220100 is a wasteful number, since it uses less digits than its factorization.

20012030220100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200120302215 (or 200120302208 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20012030220100 its reverse (102203021002), we get a palindrome (20114233241102).

The spelling of 20012030220100 in words is "twenty trillion, twelve billion, thirty million, two hundred twenty thousand, one hundred".