20211946050 has 48 divisors (see below), whose sum is σ = 50182850592. Its totient is φ = 5383699200.

The previous prime is 20211945991. The next prime is 20211946057. The reversal of 20211946050 is 5064911202.

It is a super-2 number, since 2×20211946050² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 20211945999 and 20211946017.

It is not an unprimeable number, because it can be changed into a prime (20211946057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55677 + ... + 208623.

It is an arithmetic number, because the mean of its divisors is an integer number (1045476054).

Almost surely, 2^20211946050 is an apocalyptic number.

20211946050 is an abundant number, since it is smaller than the sum of its proper divisors (29970904542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20211946050 is a wasteful number, since it uses less digits than its factorization.

20211946050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153843 (or 153838 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 20211946050 in words is "twenty billion, two hundred eleven million, nine hundred forty-six thousand, fifty".