20477267050 has 24 divisors (see below), whose sum is σ = 39117117996. Its totient is φ = 7969530240.

The previous prime is 20477267047. The next prime is 20477267071. The reversal of 20477267050 is 5076277402.

It can be written as a sum of positive squares in 6 ways, for example, as 6365965369 + 14111301681 = 79787^2 + 118791^2 .

It is a super-4 number, since 4×20477267050⁴ (a number of 42 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20477266994 and 20477267012.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5532547 + ... + 5536246.

Almost surely, 2^20477267050 is an apocalyptic number.

20477267050 is a deficient number, since it is larger than the sum of its proper divisors (18639850946).

20477267050 is a wasteful number, since it uses less digits than its factorization.

20477267050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11068842 (or 11068837 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 40.

The spelling of 20477267050 in words is "twenty billion, four hundred seventy-seven million, two hundred sixty-seven thousand, fifty".