100020120207 has 64 divisors (see below), whose sum is σ = 167701632000. Its totient is φ = 52825167360.

The previous prime is 100020120203. The next prime is 100020120223. The reversal of 100020120207 is 702021020001.

It is not a de Polignac number, because 100020120207 - 2² = 100020120203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100020120203) 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, 739203 + ... + 863979.

It is an arithmetic number, because the mean of its divisors is an integer number (2620338000).

Almost surely, 2^100020120207 is an apocalyptic number.

100020120207 is a deficient number, since it is larger than the sum of its proper divisors (67681511793).

100020120207 is a wasteful number, since it uses less digits than its factorization.

100020120207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124861 (or 124847 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 15.

Adding to 100020120207 its reverse (702021020001), we get a palindrome (802041140208).

The spelling of 100020120207 in words is "one hundred billion, twenty million, one hundred twenty thousand, two hundred seven".