20122583149990 has 32 divisors (see below), whose sum is σ = 36327358288800. Its totient is φ = 8025323207424.

The previous prime is 20122583149847. The next prime is 20122583149997. The reversal of 20122583149990 is 9994138522102.

It is a super-2 number, since 2×20122583149990² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122583149997) 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, 56497986 + ... + 56853034.

It is an arithmetic number, because the mean of its divisors is an integer number (1135229946525).

Almost surely, 2^{20122583149990} is an apocalyptic number.

20122583149990 is a deficient number, since it is larger than the sum of its proper divisors (16204775138810).

20122583149990 is a wasteful number, since it uses less digits than its factorization.

20122583149990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371736.

The product of its (nonzero) digits is 2799360, while the sum is 55.

The spelling of 20122583149990 in words is "twenty trillion, one hundred twenty-two billion, five hundred eighty-three million, one hundred forty-nine thousand, nine hundred ninety".