20100422433 has 32 divisors (see below), whose sum is σ = 33402880000. Its totient is φ = 10468201536.

The previous prime is 20100422431. The next prime is 20100422479. The reversal of 20100422433 is 33422400102.

It is not a de Polignac number, because 20100422433 - 2¹ = 20100422431 is a prime.

It is a super-3 number, since 3×20100422433³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (20100422431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 444433 + ... + 487566.

It is an arithmetic number, because the mean of its divisors is an integer number (1043840000).

Almost surely, 2^20100422433 is an apocalyptic number.

It is an amenable number.

20100422433 is a deficient number, since it is larger than the sum of its proper divisors (13302457567).

20100422433 is a wasteful number, since it uses less digits than its factorization.

20100422433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932101.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 20100422433 its reverse (33422400102), we get a palindrome (53522822535).

The spelling of 20100422433 in words is "twenty billion, one hundred million, four hundred twenty-two thousand, four hundred thirty-three".