20262541031 has 2 divisors, whose sum is σ = 20262541032. Its totient is φ = 20262541030.

The previous prime is 20262541021. The next prime is 20262541063. The reversal of 20262541031 is 13014526202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20262541031 - 2⁶ = 20262540967 is a prime.

It is a super-2 number, since 2×20262541031² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20262541001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10131270515 + 10131270516.

It is an arithmetic number, because the mean of its divisors is an integer number (10131270516).

Almost surely, 2^20262541031 is an apocalyptic number.

20262541031 is a deficient number, since it is larger than the sum of its proper divisors (1).

20262541031 is an equidigital number, since it uses as much as digits as its factorization.

20262541031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

The spelling of 20262541031 in words is "twenty billion, two hundred sixty-two million, five hundred forty-one thousand, thirty-one".