20201001131 has 8 divisors (see below), whose sum is σ = 21233172384. Its totient is φ = 19181652160.

The previous prime is 20201001109. The next prime is 20201001137. The reversal of 20201001131 is 13110010202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20201001131 - 2³⁴ = 3021131947 is a prime.

It is a super-2 number, since 2×20201001131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20201001137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3202340 + ... + 3208641.

It is an arithmetic number, because the mean of its divisors is an integer number (2654146548).

Almost surely, 2^20201001131 is an apocalyptic number.

20201001131 is a deficient number, since it is larger than the sum of its proper divisors (1032171253).

20201001131 is a wasteful number, since it uses less digits than its factorization.

20201001131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6411141.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 20201001131 its reverse (13110010202), we get a palindrome (33311011333).

The spelling of 20201001131 in words is "twenty billion, two hundred one million, one thousand, one hundred thirty-one".