20012100022 has 8 divisors (see below), whose sum is σ = 30019097016. Its totient is φ = 10005734352.

The previous prime is 20012100019. The next prime is 20012100079. The reversal of 20012100022 is 22000121002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20012099981 and 20012100008.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68463 + ... + 211450.

It is an arithmetic number, because the mean of its divisors is an integer number (3752387127).

Almost surely, 2^20012100022 is an apocalyptic number.

20012100022 is a deficient number, since it is larger than the sum of its proper divisors (10006996994).

20012100022 is a wasteful number, since it uses less digits than its factorization.

20012100022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315662.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20012100022 its reverse (22000121002), we get a palindrome (42012221024).

The spelling of 20012100022 in words is "twenty billion, twelve million, one hundred thousand, twenty-two".