20020011401 has 16 divisors (see below), whose sum is σ = 22244839680. Its totient is φ = 17899505280.

The previous prime is 20020011391. The next prime is 20020011413. The reversal of 20020011401 is 10411002002.

It is a cyclic number.

It is not a de Polignac number, because 20020011401 - 2²⁶ = 19952902537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20020011301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61025 + ... + 209198.

It is an arithmetic number, because the mean of its divisors is an integer number (1390302480).

Almost surely, 2^20020011401 is an apocalyptic number.

It is an amenable number.

20020011401 is a deficient number, since it is larger than the sum of its proper divisors (2224828279).

20020011401 is a wasteful number, since it uses less digits than its factorization.

20020011401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270416.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20020011401 its reverse (10411002002), we get a palindrome (30431013403).

The spelling of 20020011401 in words is "twenty billion, twenty million, eleven thousand, four hundred one".