20000420023 has 8 divisors (see below), whose sum is σ = 20054854800. Its totient is φ = 19946041920.

The previous prime is 20000420003. The next prime is 20000420051. The reversal of 20000420023 is 32002400002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20000420023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20000419985 and 20000420012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000420003) 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, 747411 + ... + 773707.

It is an arithmetic number, because the mean of its divisors is an integer number (2506856850).

Almost surely, 2^20000420023 is an apocalyptic number.

20000420023 is a deficient number, since it is larger than the sum of its proper divisors (54434777).

20000420023 is a wasteful number, since it uses less digits than its factorization.

20000420023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28337.

The product of its (nonzero) digits is 96, while the sum is 13.

Adding to 20000420023 its reverse (32002400002), we get a palindrome (52002820025).

The spelling of 20000420023 in words is "twenty billion, four hundred twenty thousand, twenty-three".