202120010007 has 16 divisors (see below), whose sum is σ = 280281310848. Its totient is φ = 129455434080.

The previous prime is 202120009957. The next prime is 202120010009. The reversal of 202120010007 is 700010021202.

It is not a de Polignac number, because 202120010007 - 2¹⁰ = 202120008983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202120010009) 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, 12834933 + ... + 12850670.

It is an arithmetic number, because the mean of its divisors is an integer number (17517581928).

Almost surely, 2^202120010007 is an apocalyptic number.

202120010007 is a deficient number, since it is larger than the sum of its proper divisors (78161300841).

202120010007 is a wasteful number, since it uses less digits than its factorization.

202120010007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25685710.

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

Adding to 202120010007 its reverse (700010021202), we get a palindrome (902130031209).

The spelling of 202120010007 in words is "two hundred two billion, one hundred twenty million, ten thousand, seven".