20435022212 has 48 divisors (see below), whose sum is σ = 39739170240. Its totient is φ = 9117187200.

The previous prime is 20435022211. The next prime is 20435022259. The reversal of 20435022212 is 21222053402.

It is not an unprimeable number, because it can be changed into a prime (20435022211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 493262 + ... + 533082.

It is an arithmetic number, because the mean of its divisors is an integer number (827899380).

Almost surely, 2^20435022212 is an apocalyptic number.

20435022212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20435022212 is a deficient number, since it is larger than the sum of its proper divisors (19304148028).

20435022212 is a wasteful number, since it uses less digits than its factorization.

20435022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40052 (or 40050 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 20435022212 its reverse (21222053402), we get a palindrome (41657075614).

The spelling of 20435022212 in words is "twenty billion, four hundred thirty-five million, twenty-two thousand, two hundred twelve".