20226412440 has 96 divisors (see below), whose sum is σ = 70792459920. Its totient is φ = 4978808064.

The previous prime is 20226412411. The next prime is 20226412469. The reversal of 20226412440 is 4421462202.

20226412440 is a `hidden beast` number, since 20 + 226 + 412 + 4 + 4 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (20226412411) and next prime (20226412469).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2156262 + ... + 2165621.

Almost surely, 2^20226412440 is an apocalyptic number.

20226412440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20226412440 is an abundant number, since it is smaller than the sum of its proper divisors (50566047480).

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

20226412440 is a wasteful number, since it uses less digits than its factorization.

20226412440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4321913 (or 4321906 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 20226412440 its reverse (4421462202), we get a palindrome (24647874642).

The spelling of 20226412440 in words is "twenty billion, two hundred twenty-six million, four hundred twelve thousand, four hundred forty".