20416140225640 has 64 divisors (see below), whose sum is σ = 48511059408000. Its totient is φ = 7717279587072.

The previous prime is 20416140225581. The next prime is 20416140225647. The reversal of 20416140225640 is 4652204161402.

It is a super-2 number, since 2×20416140225640² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20416140225640.

It is not an unprimeable number, because it can be changed into a prime (20416140225647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133607115 + ... + 133759834.

It is an arithmetic number, because the mean of its divisors is an integer number (757985303250).

Almost surely, 2^{20416140225640} is an apocalyptic number.

20416140225640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20416140225640 is an abundant number, since it is smaller than the sum of its proper divisors (28094919182360).

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

20416140225640 is a wasteful number, since it uses less digits than its factorization.

20416140225640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267367066 (or 267367062 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 37.

The spelling of 20416140225640 in words is "twenty trillion, four hundred sixteen billion, one hundred forty million, two hundred twenty-five thousand, six hundred forty".