20102001012010 has 128 divisors (see below), whose sum is σ = 38485601280000. Its totient is φ = 7546314639360.

The previous prime is 20102001012001. The next prime is 20102001012011. The reversal of 20102001012010 is 1021010020102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (20102001012011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4094925436 + ... + 4094930344.

It is an arithmetic number, because the mean of its divisors is an integer number (300668760000).

Almost surely, 2^{20102001012010} is an apocalyptic number.

20102001012010 is a deficient number, since it is larger than the sum of its proper divisors (18383600267990).

20102001012010 is a wasteful number, since it uses less digits than its factorization.

20102001012010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6184.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20102001012010 its reverse (1021010020102), we get a palindrome (21123011032112).

The spelling of 20102001012010 in words is "twenty trillion, one hundred two billion, one million, twelve thousand, ten".