20401468 has 6 divisors (see below), whose sum is σ = 35702576. Its totient is φ = 10200732.

The previous prime is 20401463. The next prime is 20401481. The reversal of 20401468 is 86410402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20401463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2550180 + ... + 2550187.

Almost surely, 2^20401468 is an apocalyptic number.

It is an amenable number.

20401468 is a deficient number, since it is larger than the sum of its proper divisors (15301108).

20401468 is a wasteful number, since it uses less digits than its factorization.

20401468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5100371 (or 5100369 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 20401468 is about 4516.7984236625. The cubic root of 20401468 is about 273.2459956271.

The spelling of 20401468 in words is "twenty million, four hundred one thousand, four hundred sixty-eight".