20692459429 has 8 divisors (see below), whose sum is σ = 20786220000. Its totient is φ = 20598824112.

The previous prime is 20692459399. The next prime is 20692459499. The reversal of 20692459429 is 92495429602.

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

It is a cyclic number.

It is not a de Polignac number, because 20692459429 - 2⁷ = 20692459301 is a prime.

It is a super-2 number, since 2×20692459429² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20692459499) 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, 308122 + ... + 369220.

It is an arithmetic number, because the mean of its divisors is an integer number (2598277500).

Almost surely, 2^20692459429 is an apocalyptic number.

It is an amenable number.

20692459429 is a deficient number, since it is larger than the sum of its proper divisors (93760571).

20692459429 is a wasteful number, since it uses less digits than its factorization.

20692459429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62627.

The product of its (nonzero) digits is 2799360, while the sum is 52.

The spelling of 20692459429 in words is "twenty billion, six hundred ninety-two million, four hundred fifty-nine thousand, four hundred twenty-nine".