20333013402 has 32 divisors (see below), whose sum is σ = 44016521472. Its totient is φ = 6224549184.

The previous prime is 20333013383. The next prime is 20333013409. The reversal of 20333013402 is 20431033302.

It is a super-2 number, since 2×20333013402² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20333013409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 646258 + ... + 676989.

It is an arithmetic number, because the mean of its divisors is an integer number (1375516296).

Almost surely, 2^20333013402 is an apocalyptic number.

20333013402 is an abundant number, since it is smaller than the sum of its proper divisors (23683508070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20333013402 is a wasteful number, since it uses less digits than its factorization.

20333013402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323462.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 20333013402 its reverse (20431033302), we get a palindrome (40764046704).

The spelling of 20333013402 in words is "twenty billion, three hundred thirty-three million, thirteen thousand, four hundred two".