20402213301 has 12 divisors (see below), whose sum is σ = 29528928000. Its totient is φ = 13574215080.

The previous prime is 20402213297. The next prime is 20402213309. The reversal of 20402213301 is 10331220402.

20402213301 is a `hidden beast` number, since 20 + 402 + 213 + 30 + 1 = 666.

It is not a de Polignac number, because 20402213301 - 2² = 20402213297 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20402213309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2266965 + ... + 2275946.

It is an arithmetic number, because the mean of its divisors is an integer number (2460744000).

Almost surely, 2^20402213301 is an apocalyptic number.

It is an amenable number.

20402213301 is a deficient number, since it is larger than the sum of its proper divisors (9126714699).

20402213301 is a wasteful number, since it uses less digits than its factorization.

20402213301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4543416 (or 4543413 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20402213301 its reverse (10331220402), we get a palindrome (30733433703).

The spelling of 20402213301 in words is "twenty billion, four hundred two million, two hundred thirteen thousand, three hundred one".