20040164462 has 8 divisors (see below), whose sum is σ = 31642365000. Its totient is φ = 9492709464.

The previous prime is 20040164461. The next prime is 20040164503. The reversal of 20040164462 is 26446104002.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20040164461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263686337 + ... + 263686412.

It is an arithmetic number, because the mean of its divisors is an integer number (3955295625).

Almost surely, 2^20040164462 is an apocalyptic number.

20040164462 is a deficient number, since it is larger than the sum of its proper divisors (11602200538).

20040164462 is a wasteful number, since it uses less digits than its factorization.

20040164462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527372770.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 20040164462 its reverse (26446104002), we get a palindrome (46486268464).

The spelling of 20040164462 in words is "twenty billion, forty million, one hundred sixty-four thousand, four hundred sixty-two".