20428408001 has 8 divisors (see below), whose sum is σ = 20483591040. Its totient is φ = 20373265152.

The previous prime is 20428407991. The next prime is 20428408031. The reversal of 20428408001 is 10080482402.

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 20428408001 - 2¹⁴ = 20428391617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20428408031) 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, 1200116 + ... + 1217018.

It is an arithmetic number, because the mean of its divisors is an integer number (2560448880).

Almost surely, 2^20428408001 is an apocalyptic number.

It is an amenable number.

20428408001 is a deficient number, since it is larger than the sum of its proper divisors (55183039).

20428408001 is a wasteful number, since it uses less digits than its factorization.

20428408001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20095.

The product of its (nonzero) digits is 4096, while the sum is 29.

The spelling of 20428408001 in words is "twenty billion, four hundred twenty-eight million, four hundred eight thousand, one".