20435467023 has 8 divisors (see below), whose sum is σ = 30274766000. Its totient is φ = 13623644664.

The previous prime is 20435466991. The next prime is 20435467093. The reversal of 20435467023 is 32076453402.

20435467023 is a `hidden beast` number, since 2 + 0 + 43 + 546 + 70 + 2 + 3 = 666.

It is not a de Polignac number, because 20435467023 - 2⁵ = 20435466991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20435467093) 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, 378434548 + ... + 378434601.

It is an arithmetic number, because the mean of its divisors is an integer number (3784345750).

Almost surely, 2^20435467023 is an apocalyptic number.

20435467023 is a deficient number, since it is larger than the sum of its proper divisors (9839298977).

20435467023 is an equidigital number, since it uses as much as digits as its factorization.

20435467023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756869158 (or 756869152 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 36.

The spelling of 20435467023 in words is "twenty billion, four hundred thirty-five million, four hundred sixty-seven thousand, twenty-three".