20020014021 has 16 divisors (see below), whose sum is σ = 30892851200. Its totient is φ = 11295196848.

The previous prime is 20020013987. The next prime is 20020014023. The reversal of 20020014021 is 12041002002.

It is not a de Polignac number, because 20020014021 - 2¹³ = 20020005829 is a prime.

It is a super-2 number, since 2×20020014021² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20020013988 and 20020014006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020014023) 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, 6032101 + ... + 6035418.

It is an arithmetic number, because the mean of its divisors is an integer number (1930803200).

Almost surely, 2^20020014021 is an apocalyptic number.

20020014021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20020014021 is a deficient number, since it is larger than the sum of its proper divisors (10872837179).

20020014021 is a wasteful number, since it uses less digits than its factorization.

20020014021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12067608.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20020014021 its reverse (12041002002), we get a palindrome (32061016023).

The spelling of 20020014021 in words is "twenty billion, twenty million, fourteen thousand, twenty-one".