20404420419 has 8 divisors (see below), whose sum is σ = 27253046800. Its totient is φ = 13579370496.

The previous prime is 20404420411. The next prime is 20404420507. The reversal of 20404420419 is 91402440402.

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

It is not a de Polignac number, because 20404420419 - 2³ = 20404420411 is a prime.

It is a super-2 number, since 2×20404420419² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20404420411) 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, 5892094 + ... + 5895555.

It is an arithmetic number, because the mean of its divisors is an integer number (3406630850).

Almost surely, 2^20404420419 is an apocalyptic number.

20404420419 is a deficient number, since it is larger than the sum of its proper divisors (6848626381).

20404420419 is a wasteful number, since it uses less digits than its factorization.

20404420419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11788229.

The product of its (nonzero) digits is 9216, while the sum is 30.

The spelling of 20404420419 in words is "twenty billion, four hundred four million, four hundred twenty thousand, four hundred nineteen".