20022550546140 has 72 divisors (see below), whose sum is σ = 61007424686208. Its totient is φ = 5315403542400.

The previous prime is 20022550546111. The next prime is 20022550546153. The reversal of 20022550546140 is 4164505522002.

20022550546140 is a `hidden beast` number, since 2 + 0 + 0 + 2 + 2 + 5 + 505 + 4 + 6 + 140 = 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 = 20022550546095 and 20022550546104.

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, 249368811 + ... + 249449090.

It is an arithmetic number, because the mean of its divisors is an integer number (847325342864).

Almost surely, 2^{20022550546140} is an apocalyptic number.

20022550546140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20022550546140 is an abundant number, since it is smaller than the sum of its proper divisors (40984874140068).

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

20022550546140 is a wasteful number, since it uses less digits than its factorization.

20022550546140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498818139 (or 498818134 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 20022550546140 in words is "twenty trillion, twenty-two billion, five hundred fifty million, five hundred forty-six thousand, one hundred forty".