20226429405 has 336 divisors, whose sum is σ = 47803937664. Its totient is φ = 7994972160.

The previous prime is 20226429389. The next prime is 20226429437. The reversal of 20226429405 is 50492462202.

It is a happy number.

20226429405 is a `hidden beast` number, since 2 + 0 + 2 + 2 + 642 + 9 + 4 + 0 + 5 = 666.

It is not a de Polignac number, because 20226429405 - 2⁴ = 20226429389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20226429405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 335 ways as a sum of consecutive naturals, for example, 95859750 + ... + 95859960.

It is an arithmetic number, because the mean of its divisors is an integer number (142273624).

Almost surely, 2^20226429405 is an apocalyptic number.

It is an amenable number.

20226429405 is an abundant number, since it is smaller than the sum of its proper divisors (27577508259).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20226429405 is a wasteful number, since it uses less digits than its factorization.

20226429405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 20226429405 in words is "twenty billion, two hundred twenty-six million, four hundred twenty-nine thousand, four hundred five".