20122402013 has 16 divisors (see below), whose sum is σ = 23583391104. Its totient is φ = 16808912640.

The previous prime is 20122401973. The next prime is 20122402021. The reversal of 20122402013 is 31020422102.

It is a cyclic number.

It is not a de Polignac number, because 20122402013 - 2²⁰ = 20121353437 is a prime.

It is a super-2 number, since 2×20122402013² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20122401982 and 20122402000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122402063) 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, 231506 + ... + 306332.

It is an arithmetic number, because the mean of its divisors is an integer number (1473961944).

Almost surely, 2^20122402013 is an apocalyptic number.

It is an amenable number.

20122402013 is a deficient number, since it is larger than the sum of its proper divisors (3460989091).

20122402013 is an equidigital number, since it uses as much as digits as its factorization.

20122402013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75812.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20122402013 its reverse (31020422102), we get a palindrome (51142824115).

The spelling of 20122402013 in words is "twenty billion, one hundred twenty-two million, four hundred two thousand, thirteen".