20152644625102 has 32 divisors (see below), whose sum is σ = 33304654072800. Its totient is φ = 9069299184000.

The previous prime is 20152644625081. The next prime is 20152644625109.

20152644625102 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×20152644625102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20152644625109) 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, 76369524 + ... + 76632952.

It is an arithmetic number, because the mean of its divisors is an integer number (1040770439775).

Almost surely, 2^{20152644625102} is an apocalyptic number.

20152644625102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20152644625102 is a deficient number, since it is larger than the sum of its proper divisors (13152009447698).

20152644625102 is a wasteful number, since it uses less digits than its factorization.

20152644625102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297972.

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 20152644625102 in words is "twenty trillion, one hundred fifty-two billion, six hundred forty-four million, six hundred twenty-five thousand, one hundred two".