38220113142 has 32 divisors (see below), whose sum is σ = 84944402400. Its totient is φ = 12738415104.

The previous prime is 38220113111. The next prime is 38220113143. The reversal of 38220113142 is 24131102283.

It is a super-2 number, since 2×38220113142² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38220113143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 428478 + ... + 509934.

It is an arithmetic number, because the mean of its divisors is an integer number (2654512575).

Almost surely, 2^38220113142 is an apocalyptic number.

38220113142 is an abundant number, since it is smaller than the sum of its proper divisors (46724289258).

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

38220113142 is a wasteful number, since it uses less digits than its factorization.

38220113142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90157 (or 90151 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The spelling of 38220113142 in words is "thirty-eight billion, two hundred twenty million, one hundred thirteen thousand, one hundred forty-two".