20223885040 has 20 divisors (see below), whose sum is σ = 47020532904. Its totient is φ = 8089553984.

The previous prime is 20223884987. The next prime is 20223885041. The reversal of 20223885040 is 4058832202.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×20223885040² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20223884987 and 20223885005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20223885041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126399202 + ... + 126399361.

Almost surely, 2^20223885040 is an apocalyptic number.

20223885040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20223885040 is an abundant number, since it is smaller than the sum of its proper divisors (26796647864).

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

20223885040 is a wasteful number, since it uses less digits than its factorization.

20223885040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252798576 (or 252798570 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

The spelling of 20223885040 in words is "twenty billion, two hundred twenty-three million, eight hundred eighty-five thousand, forty".