20101232002 has 8 divisors (see below), whose sum is σ = 30159685116. Its totient is φ = 10048003632.

The previous prime is 20101231981. The next prime is 20101232023. The reversal of 20101232002 is 20023210102.

It is an interprime number because it is at equal distance from previous prime (20101231981) and next prime (20101232023).

It can be written as a sum of positive squares in 2 ways, for example, as 17004420801 + 3096811201 = 130401^2 + 55649^2 .

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

It is a super-5 number, since 5×20101232002⁵ (a number of 53 digits) contains 55555 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1296553 + ... + 1311964.

Almost surely, 2^20101232002 is an apocalyptic number.

20101232002 is a deficient number, since it is larger than the sum of its proper divisors (10058453114).

20101232002 is a wasteful number, since it uses less digits than its factorization.

20101232002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2612372.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20101232002 its reverse (20023210102), we get a palindrome (40124442104).

The spelling of 20101232002 in words is "twenty billion, one hundred one million, two hundred thirty-two thousand, two".