20260445761731 has 32 divisors (see below), whose sum is σ = 31085757669888. Its totient is φ = 11497783622400.

The previous prime is 20260445761729. The next prime is 20260445761739. The reversal of 20260445761731 is 13716754406202.

It is not a de Polignac number, because 20260445761731 - 2¹ = 20260445761729 is a prime.

It is a super-2 number, since 2×20260445761731² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20260445761739) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220831 + ... + 6369431.

It is an arithmetic number, because the mean of its divisors is an integer number (971429927184).

Almost surely, 2^{20260445761731} is an apocalyptic number.

20260445761731 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20260445761731 is a deficient number, since it is larger than the sum of its proper divisors (10825311908157).

20260445761731 is a wasteful number, since it uses less digits than its factorization.

20260445761731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6149691.

The product of its (nonzero) digits is 1693440, while the sum is 48.

The spelling of 20260445761731 in words is "twenty trillion, two hundred sixty billion, four hundred forty-five million, seven hundred sixty-one thousand, seven hundred thirty-one".