20224032140 has 48 divisors (see below), whose sum is σ = 45764463360. Its totient is φ = 7462920960.

The previous prime is 20224032119. The next prime is 20224032173. The reversal of 20224032140 is 4123042202.

It is a super-2 number, since 2×20224032140² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 435230 + ... + 479450.

It is an arithmetic number, because the mean of its divisors is an integer number (953426320).

Almost surely, 2^20224032140 is an apocalyptic number.

20224032140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20224032140 is an abundant number, since it is smaller than the sum of its proper divisors (25540431220).

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

20224032140 is a wasteful number, since it uses less digits than its factorization.

20224032140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46002 (or 46000 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20224032140 its reverse (4123042202), we get a palindrome (24347074342).

The spelling of 20224032140 in words is "twenty billion, two hundred twenty-four million, thirty-two thousand, one hundred forty".