20152402602 has 16 divisors (see below), whose sum is σ = 40403354880. Its totient is φ = 6701042592.

The previous prime is 20152402579. The next prime is 20152402603. The reversal of 20152402602 is 20620425102.

It is a happy number.

It is a super-2 number, since 2×20152402602² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20152402603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4103578 + ... + 4108485.

It is an arithmetic number, because the mean of its divisors is an integer number (2525209680).

Almost surely, 2^20152402602 is an apocalyptic number.

20152402602 is an abundant number, since it is smaller than the sum of its proper divisors (20250952278).

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

20152402602 is a wasteful number, since it uses less digits than its factorization.

20152402602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8212477.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 20152402602 its reverse (20620425102), we get a palindrome (40772827704).

The spelling of 20152402602 in words is "twenty billion, one hundred fifty-two million, four hundred two thousand, six hundred two".