20031052690126 has 4 divisors (see below), whose sum is σ = 30046579035192. Its totient is φ = 10015526345062.

The previous prime is 20031052690123. The next prime is 20031052690147. The reversal of 20031052690126 is 62109625013002.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×20031052690126² (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 (20031052690123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5007763172530 + ... + 5007763172533.

It is an arithmetic number, because the mean of its divisors is an integer number (7511644758798).

Almost surely, 2^{20031052690126} is an apocalyptic number.

20031052690126 is a deficient number, since it is larger than the sum of its proper divisors (10015526345066).

20031052690126 is a wasteful number, since it uses less digits than its factorization.

20031052690126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10015526345065.

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 20031052690126 in words is "twenty trillion, thirty-one billion, fifty-two million, six hundred ninety thousand, one hundred twenty-six".