20022000423 has 8 divisors (see below), whose sum is σ = 27264000768. Its totient is φ = 13064000184.

The previous prime is 20022000371. The next prime is 20022000541. The reversal of 20022000423 is 32400022002.

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

It is not a de Polignac number, because 20022000423 - 2¹³ = 20021992231 is a prime.

It is a super-2 number, since 2×20022000423² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022000623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70999861 + ... + 71000142.

It is an arithmetic number, because the mean of its divisors is an integer number (3408000096).

Almost surely, 2^20022000423 is an apocalyptic number.

20022000423 is a deficient number, since it is larger than the sum of its proper divisors (7242000345).

20022000423 is a wasteful number, since it uses less digits than its factorization.

20022000423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142000053.

The product of its (nonzero) digits is 192, while the sum is 15.

Adding to 20022000423 its reverse (32400022002), we get a palindrome (52422022425).

The spelling of 20022000423 in words is "twenty billion, twenty-two million, four hundred twenty-three", and thus it is an aban number.