20153351293 has 2 divisors, whose sum is σ = 20153351294. Its totient is φ = 20153351292.

The previous prime is 20153351219. The next prime is 20153351303. The reversal of 20153351293 is 39215335102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17248356889 + 2904994404 = 131333^2 + 53898^2 .

It is a cyclic number.

It is not a de Polignac number, because 20153351293 - 2²⁵ = 20119796861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20153351093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10076675646 + 10076675647.

It is an arithmetic number, because the mean of its divisors is an integer number (10076675647).

Almost surely, 2^20153351293 is an apocalyptic number.

It is an amenable number.

20153351293 is a deficient number, since it is larger than the sum of its proper divisors (1).

20153351293 is an equidigital number, since it uses as much as digits as its factorization.

20153351293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24300, while the sum is 34.

Adding to 20153351293 its reverse (39215335102), we get a palindrome (59368686395).

The spelling of 20153351293 in words is "twenty billion, one hundred fifty-three million, three hundred fifty-one thousand, two hundred ninety-three".