20100001011002 has 32 divisors (see below), whose sum is σ = 34025868046080. Its totient is φ = 8821112771520.

The previous prime is 20100001011001. The next prime is 20100001011023. The reversal of 20100001011002 is 20011010000102.

It is not an unprimeable number, because it can be changed into a prime (20100001011001) 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, 29065583 + ... + 29749085.

It is an arithmetic number, because the mean of its divisors is an integer number (1063308376440).

Almost surely, 2^{20100001011002} is an apocalyptic number.

20100001011002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20100001011002 is a deficient number, since it is larger than the sum of its proper divisors (13925867035078).

20100001011002 is a wasteful number, since it uses less digits than its factorization.

20100001011002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729638.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 20100001011002 its reverse (20011010000102), we get a palindrome (40111011011104).

The spelling of 20100001011002 in words is "twenty trillion, one hundred billion, one million, eleven thousand, two".