202006157813 has 2 divisors, whose sum is σ = 202006157814. Its totient is φ = 202006157812.

The previous prime is 202006157807. The next prime is 202006157887. The reversal of 202006157813 is 318751600202.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145562851729 + 56443306084 = 381527^2 + 237578^2 .

It is a cyclic number.

It is not a de Polignac number, because 202006157813 - 2¹² = 202006153717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202006157803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101003078906 + 101003078907.

It is an arithmetic number, because the mean of its divisors is an integer number (101003078907).

Almost surely, 2^202006157813 is an apocalyptic number.

It is an amenable number.

202006157813 is a deficient number, since it is larger than the sum of its proper divisors (1).

202006157813 is an equidigital number, since it uses as much as digits as its factorization.

202006157813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 202006157813 in words is "two hundred two billion, six million, one hundred fifty-seven thousand, eight hundred thirteen".