20412621402 has 8 divisors (see below), whose sum is σ = 40825242816. Its totient is φ = 6804207132.

The previous prime is 20412621401. The next prime is 20412621403.

It is a happy number.

20412621402 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (20412621401) and next prime (20412621403).

It is a sphenic number, since it is the product of 3 distinct primes.

20412621402 is an admirable number.

It is a super-2 number, since 2×20412621402² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20412621401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1701051778 + ... + 1701051789.

It is an arithmetic number, because the mean of its divisors is an integer number (5103155352).

Almost surely, 2^20412621402 is an apocalyptic number.

20412621402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20412621402 is a wasteful number, since it uses less digits than its factorization.

20412621402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3402103572.

The product of its (nonzero) digits is 1536, while the sum is 24.

The spelling of 20412621402 in words is "twenty billion, four hundred twelve million, six hundred twenty-one thousand, four hundred two".