20122020233 has 16 divisors (see below), whose sum is σ = 24359946624. Its totient is φ = 16225816320.

The previous prime is 20122020211. The next prime is 20122020263. The reversal of 20122020233 is 33202022102.

It is not a de Polignac number, because 20122020233 - 2⁶ = 20122020169 is a prime.

It is a super-2 number, since 2×20122020233² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20122020263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246491 + ... + 317807.

It is an arithmetic number, because the mean of its divisors is an integer number (1522496664).

Almost surely, 2^20122020233 is an apocalyptic number.

It is an amenable number.

20122020233 is a deficient number, since it is larger than the sum of its proper divisors (4237926391).

20122020233 is a wasteful number, since it uses less digits than its factorization.

20122020233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73712.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20122020233 its reverse (33202022102), we get a palindrome (53324042335).

The spelling of 20122020233 in words is "twenty billion, one hundred twenty-two million, twenty thousand, two hundred thirty-three".