20462468040 has 96 divisors (see below), whose sum is σ = 76003462080. Its totient is φ = 4677134976.

The previous prime is 20462468023. The next prime is 20462468071. The reversal of 20462468040 is 4086426402.

It is a happy number.

20462468040 is a `hidden beast` number, since 20 + 4 + 624 + 6 + 8 + 0 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 20462467986 and 20462468004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4057494 + ... + 4062533.

It is an arithmetic number, because the mean of its divisors is an integer number (791702730).

Almost surely, 2^20462468040 is an apocalyptic number.

20462468040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20462468040 is an abundant number, since it is smaller than the sum of its proper divisors (55540994040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20462468040 is a wasteful number, since it uses less digits than its factorization.

20462468040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8120051 (or 8120044 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

The spelling of 20462468040 in words is "twenty billion, four hundred sixty-two million, four hundred sixty-eight thousand, forty".